you must cite your sources in a research paper if

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Organizing Your Social Sciences Research Paper

• 11. Citing Sources
• Purpose of Guide
• Design Flaws to Avoid
• Independent and Dependent Variables
• Glossary of Research Terms
• Reading Research Effectively
• Narrowing a Topic Idea
• Broadening a Topic Idea
• Extending the Timeliness of a Topic Idea
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• Background Information
• The Research Problem/Question
• Theoretical Framework
• Citation Tracking
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• Evaluating Sources
• Primary Sources
• Secondary Sources
• Tiertiary Sources
• Scholarly vs. Popular Publications
• Qualitative Methods
• Quantitative Methods
• Insiderness
• Using Non-Textual Elements
• Limitations of the Study
• Common Grammar Mistakes
• Writing Concisely
• Avoiding Plagiarism
• Footnotes or Endnotes?
• Further Readings
• Generative AI and Writing
• USC Libraries Tutorials and Other Guides
• Bibliography

A citation is a formal reference to a published or unpublished source that you consulted and obtained information from while writing your research paper. It refers to a source of information that supports a factual statement, proposition, argument, or assertion or any quoted text obtained from a book, article, web site, or any other type of material . In-text citations are embedded within the body of your paper and use a shorthand notation style that refers to a complete description of the item at the end of the paper. Materials cited at the end of a paper may be listed under the heading References, Sources, Works Cited, or Bibliography. Rules on how to properly cite a source depends on the writing style manual your professor wants you to use for the class [e.g., APA, MLA, Chicago, Turabian, etc.]. Note that some disciplines have their own citation rules [e.g., law; medicine].

Citations: Overview. OASIS Writing Center, Walden University; Research and Citation. The Writing Lab and The OWL. Purdue University; Citing Sources. University Writing Center, Texas A&M University.

Citing Your Sources

Reasons for Citing Sources in Your Research Paper

English scientist, Sir Isaac Newton, once wrote, "If I have seen further, it is by standing on the shoulders of giants.”* Citations support learning how to "see further" through processes of intellectual discovery, critical thinking, and applying a deliberate method of navigating through the scholarly landscape by tracking how cited works are propagated by scholars over time and the subsequent ways this leads to the devarication of new knowledge.

Listed below are specific reasons why citing sources is an important part of doing good research.

• Shows the reader where to find more information . Citations help readers expand their understanding and knowledge about the issues being investigated. One of the most effective strategies for locating authoritative, relevant sources about a research problem is to review materials cited in studies published by other authors. In this way, the sources you cite help the reader identify where to go to examine the topic in more depth and detail.
• Increases your credibility as an author . Citations to the words, ideas, and arguments of scholars demonstrates that you have conducted a thorough review of the literature and, therefore, you are reporting your research results or proposing recommended courses of action from an informed and critically engaged perspective. Your citations offer evidence that you effectively contemplated, evaluated, and synthesized sources of information in relation to your conceptualization of the research problem.
• Illustrates the non-linear and contested nature of knowledge creation . The sources you cite show the reader how you characterized the dynamics of prior knowledge creation relevant to the research problem and how you managed to identify the contested relationships between problems and solutions proposed among scholars. Citations don't just list materials used in your study, they tell a story about how prior knowledge-making emerged from a constant state of creation, renewal, and transformation.
• Reinforces your arguments . Sources cited in your paper provide the evidence that readers need to determine that you properly addressed the “So What?” question. This refers to whether you considered the relevance and significance of the research problem, its implications applied to creating new knowledge, and its importance for improving practice. In this way, citations draw attention to and support the legitimacy and originality of your own ideas and assertions.
• Demonstrates that you "listened" to relevant conversations among scholars before joining in . Your citations tell the reader where you developed an understanding of the debates among scholars. They show how you educated yourself about ongoing conversations taking place within relevant communities of researchers before inserting your own ideas and arguments. In peer-reviewed scholarship, most of these conversations emerge within books, research reports, journal articles, and other cited works.
• Delineates alternative approaches to explaining the research problem . If you disagree with prior research assumptions or you believe that a topic has been understudied or you find that there is a gap in how scholars have understood a problem, your citations serve as the source materials from which to analyze and present an alternative viewpoint or to assert that a different course of action should be pursued. In short, the materials you cite serve as the means by which to argue persuasively against long-standing assumptions promulgated in prior studies.
• Helps the reader understand contextual aspects of your research . Cited sources help readers understand the specific circumstances, conditions, and settings of the problem being investigated and, by extension, how your arguments can be fully understood and assessed. Citations place your line of reasoning within a specific contextualized framework based on how others have studied the problem and how you interpreted their findings in support of your overall research objectives.
• Frames the development of concepts and ideas within the literature . No topic in the social and behavioral sciences rests in isolation from research that has taken place in the past. Your citations help the reader understand the growth and transformation of the theoretical assumptions, key concepts, and systematic inquiries that emerged prior to your engagement with the research problem.
• Underscores sources that were most important to you . Your citations represent a set of choices made about what you determined to be the most important sources for understanding the topic. They not only list what you discovered, but why it matters and how the materials you chose to cite fit within the broader context of your research design and arguments. As part of an overall assessment of the study’s validity and reliability , the choices you make also helps the reader determine what sources of research may have been excluded.
• Provides evidence of interdisciplinary thinking . An important principle of good research is to extend your review of the literature beyond the predominant disciplinary space where scholars have previously examined a topic. Citations provide evidence that you have integrated epistemological arguments, observations, and/or methodological strategies of other disciplines into your paper, thereby demonstrating that you understand the complex, interconnected nature of contemporary research topics.
• Forms the basis for bibliometric analysis of research . Bibliometric analysis is a quantitative method used, for example, to identify and predict emerging trends in research, document patterns of collaboration among scholars, explore the intellectual structure of a specific domain of research, map the development of research within and across disciplines, or identify gaps in knowledge within the literature. Bibliometric data can also be used to visually map relationships among published studies. Citations to books, journal articles, research reports, and other publications represent the raw data used in bibliometric research.
• Reveals possible adherence to the principles of citational justice. Citational justice refers to equity in the inclusion of sources published by authors who are members of marginalized or underrepresented groups that are often under-cited because of their background, community of origin, identity, or location. In so doing, this movement “challenges entrenched hierarchies and biases in knowledge production.” ** Within this context, the sources cited in your paper can help the reader obtain a more inclusive divergency of voices and perspectives about how a research problem can be understood, contextualized, and investigated.
• Supports critical thinking and independent learning . Evaluating the authenticity, reliability, validity, and originality of prior research is an act of interpretation and introspective reasoning applied to assessing whether a source of information will contribute to understanding the problem in ways that are persuasive and align with your overall research objectives. Reviewing and citing prior studies represents a deliberate act of critically scrutinizing each source as part of your overall assessment of how scholars have confronted the research problem.
• Honors the achievements of others . As Susan Blum recently noted, *** citations not only identify sources used, they acknowledge the achievements of scholars within the larger network of research about the topic. Citing sources is a normative act of professionalism within academe and a way to highlight and recognize the work of scholars who likely do not obtain any tangible benefits or monetary value from their research endeavors. Your citations help to validate the work of others.

*Vernon. Jamie L. "On the Shoulder of Giants." American Scientist 105 (July-August 2017): 194.

**Dadze Arthur, Abena and Mary S. Mangai. "The Journal and the Quest for Epistemic Justice." Public Administration and Development 44 (2024): 11.

***Blum, Susan D. "In Defense of the Morality of Citation.” Inside Higher Ed , January 29, 2024.

Aksnes, Dag W., Liv Langfeldt, and Paul Wouters. "Citations, Citation Indicators, and Research Quality: An Overview of Basic Concepts and Theories." Sage Open 9 (January-March 2019): https://doi.org/10.1177/2158244019829575; Blum, Susan Debra. My Word!: Plagiarism and College Culture . Ithaca, NY: Cornell University Press, 2009; Bretag, Tracey., editor. Handbook of Academic Integrity . Singapore: Springer Singapore, 2020; Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; D'Angelo, Barbara J. "Using Source Analysis to Promote Critical Thinking." Research Strategies 18 (Winter 2001): 303-309; Kwon, Diana. “The Rise of Citational Justice.” Nature 603 (March 24, 2022): 568-572; Donthu, Naveen et al. “How to Conduct a Bibliometric Analysis: An Overview and Guidelines.” Journal of Business Research 133 (2021): 285-296; Mauer, Barry and John Venecek. “Scholarship as Conversation.” Strategies for Conducting Literary Research, University of Central Florida, 2021; Öztürk, Oguzhan, Ridvan Kocaman, and Dominik K. Kanbach. "How to Design Bibliometric Research: An Overview and a Framework Proposal." Review of Managerial Science (2024): 1-29; Why Cite? Poorvu Center for Teaching and Learning, Yale University; Citing Information. The Writing Center. University of North Carolina; Harvard Guide to Using Sources. Harvard College Writing Program. Harvard University; Newton, Philip. "Academic Integrity: A Quantitative Study of Confidence and Understanding in Students at the Start of Their Higher Education."  Assessment and Evaluation in Higher Education 41 (2016): 482-497; Referencing More Effectively. Academic Skills Centre. University of Canberra; Using Sources. Yale College Writing Center. Yale University; Vosburgh, Richard M. "Closing the Academic-practitioner Gap: Research Must Answer the “SO WHAT” Question." H uman Resource Management Review 32 (March 2022): 100633; When and Why to Cite Sources. Information Literacy Playlists, SUNY, Albany Libraries.

Structure and Writing Style

Referencing your sources means systematically showing what information or ideas you acquired from another author’s work, and identifying where that information come from . You must cite research in order to do research, but at the same time, you need to delineate what are your original thoughts and ideas and what are the thoughts and ideas of others. Citations establish the demarcation between each set of statements. Procedures used to cite sources vary among different fields of study. If not outlined in your course syllabus or writing assignment, always speak with your professor about what writing style for citing sources should be used for the class because it is important to fully understand the citation rules that should be used in your paper and to apply them consistently. If your professor defers and tells you to "choose whatever you want, just be consistent," then choose the citation style you are most familiar with or that is appropriate to your major [e.g., use Chicago style if you are majoring in history; use APA if its an education course; use MLA if it is a general writing course].

For examples of common citation styles, GO HERE .

GENERAL GUIDELINES

1. Are there any reasons I should avoid referencing other people's work? No. If placed in the proper context, r eferencing other people's research is never an indication that your work is substandard or lacks originality. In fact, the opposite is true. If you write your paper without adequate references to previous studies, you are signaling to the reader that you are not familiar with the literature on the topic, thereby, undermining the validity of your study and your credibility as a researcher. Including references in academic writing is one of the most important ways to demonstrate your knowledge and understanding of how the research problem has been addressed. It is the intellectual packaging around which you present your thoughts, ideas, and arguments to the reader.

2. What should I do if I find out that my great idea has already been studied by another researcher? It can be frustrating to come up with what you believe is a great topic for your paper only to discover that it's already been thoroughly studied. However, do not become frustrated by this. You can acknowledge the prior research by writing in the text of your paper [see also Smith, 2002], then citing the complete source in your list of references. Use the discovery of prior studies as an opportunity to demonstrate the significance of the problem being investigated and, if applicable, as a means of delineating your analysis from those of others [e.g., the prior study is ten years old and doesn't take into account new variables]. Strategies for responding to prior research can include: stating how your study updates previous understandings about the topic, offering a new or different perspective, applying a different or innovative method of gathering and interpreting data, and/or describing a new set of insights, guidelines, recommendations, best practices, or working solutions.

3. What should I do if I want to use an adapted version of someone else's work? You still must cite the original work. For example, you use a table of statistics from a journal article published in 1996 by author Smith, but you have altered or added new data to it. Reference the revised chart, such as, [adapted from Smith, 1996], then cite the original source in your list of references. You can also use other terms in order to specify the exact relationship between the original source and the version you have presented, such as, "based on data from Smith [1996]...," or "summarized from Smith [1996]...." Citing the original source helps the reader locate where the information was first presented and under what context it was used as well as to evaluate how effectively you adapted it to your own research.

4. What should I do if several authors have published very similar information or ideas? You can indicate that the topic, idea, concept, or information can be found in the works of others by stating something similar to the following example: "Though many scholars have applied rational choice theory to understanding economic relations among nations [Smith, 1989; Jones, 1991; Johnson, 1994; Anderson, 2003; Smith, 2014], little attention has been given to applying the theory to examining the influence of non-governmental organizations in a globalized economy." If you only reference one author or only the most recent study, then your readers may assume that only one author has published on this topic, or more likely, they will conclude that you have not conducted a thorough review of the literature. Referencing all relevant authors of prior studies gives your readers a clear idea of the breadth of analysis you conducted in preparing to study the research problem. If there has been a significant number of prior studies on the topic [i.e., ten or more], describe the most comprehensive and recent works because they will presumably discuss and reference the older studies. However, note in your review of the literature that there has been significant scholarship devoted to the topic so the reader knows that you are aware of the numerous prior studies.

5. What if I find exactly what I want to say in the writing of another researcher? In the social sciences, the rationale in duplicating prior research is generally governed by the passage of time, changing circumstances or conditions, or the emergence of variables that necessitate new investigations . If someone else has recently conducted a thorough investigation of precisely the same research problem that you intend to study, then you likely will have to revise your topic, or at the very least, review this literature to identify something new to say about the problem. However, if it is someone else's particularly succinct expression, but it fits perfectly with what you are trying to say, then you can quote from the author directly, referencing the source. Identifying an author who has made the exact same point that you want to make can be an opportunity to validate, as well as reinforce the significance of, the research problem you are investigating. The key is to build on that idea in new and innovative ways. If you are not sure how to do this, consult with a librarian .

6. Should I cite a source even if it was published long ago? Any source used in writing your paper should be cited, regardless of when it was written. However, in building a case for understanding prior research about your topic, it is generally true that you should focus on citing more recently published studies because they presumably have built upon the research of older studies. When referencing prior studies, use the research problem as your guide when considering what to cite. If a study from forty years ago investigated the same topic, it probably should be examined and considered in your list of references because the research may have been foundational or groundbreaking at the time, even if its findings are no longer relevant to current conditions or reflect current thinking [one way to determine if a study is foundational or groundbreaking is to examine how often it has been cited in recent studies using the "Cited by" feature of Google Scholar ]. However, if an older study only relates to the research problem tangentially or it has not been cited in recent studies, then it may be more appropriate to list it under further readings .

7. Can I cite unusual and non-scholarly sources in my research paper? The majority of the citations in a research paper should be to scholarly [a.k.a., academic; peer-reviewed] studies that rely on an objective and logical analysis of the research problem based on empirical evidence that reliably supports your arguments. However, any type of source can be considered valid if it brings relevant understanding and clarity to the topic. This can include, for example, non-textual elements such as photographs, maps, or illustrations. A source can include materials from special or archival collections, such as, personal papers, manuscripts, business memorandums, the official records of an organization, or digitized collections. Citations can also be to unusual items, such as, an audio recording, a transcript from a television news program, a unique set of data, or a social media post. The challenge is knowing how to cite unusual and non-scholarly sources because they often do not fit within consistent citation rules of books or journal articles. Given this, consult with a librarian if you are unsure how to cite a source.

NOTE:   In any academic writing, you are required to identify which ideas, facts, thoughts, concepts, or declarative statements are yours and which are derived from the research of others. The only exception to this rule is information that is considered to be a commonly known fact [e.g., "George Washington was the first president of the United States"] or a statement that is self-evident [e.g., "Australia is a country in the Global South"]. Appreciate, however, that any "commonly known fact" or self-evidencing statement is culturally constructed and shaped by specific social and aesthetical biases . If you have any doubt about whether or not a fact is considered to be widely understood knowledge, provide a supporting citation, or, ask your professor for clarification about whether the statement should be cited.

ANOTHER NOTE:   What is a foundational or groundbreaking study? In general, this refers to a study that investigated a research problem which , up to that point, had never been clearly defined or explained. If you trace a research topic back in time using citations as your guide, you will often discover an original study or set of studies that was the first to identify, explain the significance, and thoroughly investigate a problem. It is considered f oundational or groundbreaking because it pushed the boundaries of existing knowledge and influenced how researchers thought about the problem in new or innovative ways. Evidence of  foundational or groundbreaking research is the number of times a study has been subsequently cited, and continues to be cited, since it was first published.

Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; Blum, Susan Debra. My Word!: Plagiarism and College Culture . Ithaca, NY: Cornell University Press, 2009; Bretag, Tracey., editor. Handbook of Academic Integrity . Singapore: Springer Singapore, 2020; Carlock, Janine. Developing Information Literacy Skills: A Guide to Finding, Evaluating, and Citing Sources . Ann Arbor, MI: University of Michigan Press, 2020; Harvard Guide to Using Sources. Harvard College Writing Program. Harvard University; How to Cite Other Sources in Your Paper. The Structure, Format, Content, and Style of a Journal-Style Scientific Paper. Department of Biology. Bates College; Lunsford, Andrea A. and Robert Connors; The St. Martin's Handbook . New York: St. Martin's Press, 1989; Mills, Elizabeth Shown. Evidence Explained: Citing History Sources from Artifacts to Cyberspace . 3rd edition. Baltimore, MD: Genealogical Publishing Company, 2015; Research and Citation Resources. The Writing Lab and The OWL. Purdue University; Writing Tutorial Services, Center for Innovative Teaching and Learning. Indiana University; Why Cite? Poorvu Center for Teaching and Learning, Yale Univeraity.

Other Citation Research Guides

The following USC Libraries research guide can help you properly cite sources in your research paper:

• Citation Guide

The following USC Libraries research guide offers basic information on using images and media in research:

Listed below are particularly well-done and comprehensive websites that provide specific examples of how to cite sources under different style guidelines.

• Purdue University Online Writing Lab
• Southern Cross University Harvard Referencing Style
• University of Wisconsin Writing Center

This is a useful guide concerning how to properly cite images in your research paper.

• Colgate Visual Resources Library, Citing Images

This guide provides good information on the act of citation analysis, whereby you count the number of times a published work is cited by other works in order to measure the impact of a publication or author.

Measuring Your Impact: Impact Factor, Citation Analysis, and other Metrics: Citation Analysis [Sandy De Groote, University of Illinois, Chicago]

Automatic Citation Generators

The links below lead to systems where you can type in your information and have a citation compiled for you. Note that these systems are not foolproof so it is important that you verify that the citation is correct and check your spelling, capitalization, etc. However, they can be useful in creating basic types of citations, particularly for online sources.

• BibMe -- APA, MLA, Chicago, and Turabian styles
• DocsCite -- for citing government publications in APA or MLA formats
• EasyBib -- APA, MLA, and Chicago styles
• Son of Citation Machine -- APA, MLA, Chicago, and Turabian styles

NOTE:   Many companies that create the research databases the USC Libraries subscribe to, such as ProQuest , include built-in citation generators that help take the guesswork out of how to properly cite a work. When available, you should always utilize these features because they not only generate a citation to the source [e.g., a journal article], but include information about where you accessed the source [e.g., the database].

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Quick Guide to APA Citations

☑ include both parts of the apa citation:.

In-text citations (placed in your paper wherever you are quoting or paraphrasing a source) Reference list citations (placed at the end of your paper in an alphabetized reference list)  

☑ If you quote OR paraphrase a source, you must cite it.

"Paraphrasing" includes describing someone else's idea in your own words.   A quotation requires a "locator" which is the exact page number or paragraph number of the quote 

☑ Do not include sources in your reference list if you did not use them.

In APA, reference citations are not a list of sources you read! Only include a source in your reference list if you quoted or paraphrased that source with an in-text citation in your paper.

☑ Each in-text citation must match its reference list citation.

The author name and year in the reference list citation and in-text citation must be the same. If you make a correction to the author and/or date in one of your references, you must also edit all of the corresponding in-text citations.

In-Text Citations

Citing paraphrased information:

(Author, Year).

Citing a direct quote:

(Author, Year, p. 3). OR (Author, Year, para. 3).

In-text Citation Examples

Paraphrasing a source with TWO AUTHORS:

(Tindall & Curtis, 2019).

Paraphrasing a source with THREE OR MORE AUTHORS:

(Amida et al., 2021).

Paraphrasing a source authored by a GROUP/ORGANIZATION:

(U.S. Department of Homeland Security, 2020).

Paraphrasing a source with NO DATE:

(U.S. Department of Homeland Security, n.d.).

• 2023 In-Text Citation Instructions Help! I need more examples! Check out this PDF for what to do when you have long paraphrases, long quotations, you want to cite a source you found in another source, you have sources with the same author and date, and more!

Reference List Citations

Author. (Date). Title. Source. URL

Reference List Citation Examples

Reference list citation for a journal article with THREE OR MORE AUTHORS:*

Amida, A., Appianing, J., & Marafa, Y. (2022). Testing the predictors of college students' attitudes toward plagiarism. Journal of Academic Ethics, 20 (1), p. 85-99.  https://doi.org/10.1007/s10805-021-09401-9

Reference list citation for an online article/webpage with ONE AUTHOR: 

Bailey, J. (2022, July 6). 5 things new students need to know about plagiarism. Plagiarism Today . https://www.plagiarismtoday.com/2022/07/06/5-things-new-students-need-to-know-about-plagiarism/

Reference list citation for a source with a GROUP AUTHOR:

U. S. Department of Homeland Security. (2014, November 28). What is plagiarism? https://studyinthestates.dhs.gov/2014/11/what-plagiarism

Reference list citation for a source with a NO DATE:

U. S. Department of Homeland Security. (n.d.). Students. https://studyinthestates.dhs.gov/students

• 2023 APA Reference list instructions Help! I need more examples! Check out this PDF for what to do if there is no author or when there are twenty-one or more authors, how to capitalize the title, when the title has a title in it, and more!
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Citing sources: Overview

• Citation style guides

Manage your references

Use these tools to help you organize and cite your references:

• Citation Management and Writing Tools

If you have questions after consulting this guide about how to cite, please contact your advisor/professor or the writing and communication center .

Why citing is important

It's important to cite sources you used in your research for several reasons:

• To show your reader you've done proper research by listing sources you used to get your information
• To be a responsible scholar by giving credit to other researchers and acknowledging their ideas
• To avoid plagiarism by quoting words and ideas used by other authors
• To allow your reader to track down the sources you used by citing them accurately in your paper by way of footnotes, a bibliography or reference list

About citations

Citing a source means that you show, within the body of your text, that you took words, ideas, figures, images, etc. from another place.

Citations are a short way to uniquely identify a published work (e.g. book, article, chapter, web site).  They are found in bibliographies and reference lists and are also collected in article and book databases.

Citations consist of standard elements, and contain all the information necessary to identify and track down publications, including:

• author name(s)
• titles of books, articles, and journals
• date of publication
• page numbers
• volume and issue numbers (for articles)

Citations may look different, depending on what is being cited and which style was used to create them. Choose an appropriate style guide for your needs.  Here is an example of an article citation using four different citation styles.  Notice the common elements as mentioned above:

Author - R. Langer

Article Title - New Methods of Drug Delivery

Source Title - Science

Volume and issue - Vol 249, issue 4976

Publication Date - 1990

Page numbers - 1527-1533

American Chemical Society (ACS) style:

Langer, R. New Methods of Drug Delivery. Science 1990 , 249 , 1527-1533.

IEEE Style:

R. Langer, " New Methods of Drug Delivery," Science , vol. 249 , pp. 1527-1533 , SEP 28, 1990 .

American Psychological Association   (APA) style:

Langer, R. (1990) . New methods of drug delivery. Science , 249 (4976), 1527-1533.

Modern Language Association (MLA) style:

Langer, R. " New Methods of Drug Delivery." Science 249.4976 (1990) : 1527-33.

What to cite

You must cite:

• Facts, figures, ideas, or other information that is not common knowledge

Publications that must be cited include:  books, book chapters, articles, web pages, theses, etc.

Another person's exact words should be quoted and cited to show proper credit 

When in doubt, be safe and cite your source!

Avoiding plagiarism

Plagiarism occurs when you borrow another's words (or ideas) and do not acknowledge that you have done so. In this culture, we consider our words and ideas intellectual property; like a car or any other possession, we believe our words belong to us and cannot be used without our permission.

Plagiarism is a very serious offense. If it is found that you have plagiarized -- deliberately or inadvertently -- you may face serious consequences. In some instances, plagiarism has meant that students have had to leave the institutions where they were studying.

The best way to avoid plagiarism is to cite your sources - both within the body of your paper and in a bibliography of sources you used at the end of your paper.

Some useful links about plagiarism:

• MIT Academic Integrity Overview on citing sources and avoiding plagiarism at MIT.
• Avoiding Plagiarism From the MIT Writing and Communication Center.
• Plagiarism: What It is and How to Recognize and Avoid It From Indiana University's Writing Tutorial Services.
• Plagiarism- Overview A resource from Purdue University.
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• Last Updated: Jan 16, 2024 7:02 AM
• URL: https://libguides.mit.edu/citing

University Library

Start your research.

• Research Process
• Find Background Info
• Find Sources through the Library
• Evaluate Your Info
• Cite Your Sources
• Evaluate, Write & Cite

• is the right thing to do  to give credit to those who had the idea
• shows that you have read and understand  what experts have had to say about your topic
• helps people find the sources  that you used in case they want to read more about the topic
• provides   evidence  for your arguments
• is professional and  standard practice   for students and scholars

What is a Citation?

A citation identifies for the reader the original source for an idea, information, or image that is referred to in a work.

• In the body of a paper, the  in-text citation  acknowledges the source of information used.
• At the end of a paper, the citations are compiled on a  References  or  Works Cited  list. A basic citation includes the author, title, and publication information of the source. 

From:  Lemieux  Library,  University  of Seattle 

Why Should You Cite?

Quoting Are you quoting two or more consecutive words from a source? Then the original source should be cited and the words or phrase placed in quotes. 

Paraphrasing If an idea or information comes from another source,  even if you put it in your own words , you still need to credit the source.  General vs. Unfamiliar Knowledge You do not need to cite material which is accepted common knowledge. If in doubt whether your information is common knowledge or not, cite it. Formats We usually think of books and articles. However, if you use material from web sites, films, music, graphs, tables, etc. you'll also need to cite these as well.

Plagiarism is presenting the words or ideas of someone else as your own without proper acknowledgment of the source. When you work on a research paper and use supporting material from works by others, it's okay to quote people and use their ideas, but you do need to correctly credit them. Even when you summarize or paraphrase information found in books, articles, or Web pages, you must acknowledge the original author.

Citation Style Help

Helpful links:

• MLA ,  Works Cited : A Quick Guide (a template of core elements)
• CSE  (Council of Science Editors)

For additional writing resources specific to styles listed here visit the  Purdue OWL Writing Lab

Citation and Bibliography Resources

• How to Write an Annotated Bibliography
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Land Acknowledgement

The land on which we gather is the unceded territory of the Awaswas-speaking Uypi Tribe. The Amah Mutsun Tribal Band, comprised of the descendants of indigenous people taken to missions Santa Cruz and San Juan Bautista during Spanish colonization of the Central Coast, is today working hard to restore traditional stewardship practices on these lands and heal from historical trauma.

The land acknowledgement used at UC Santa Cruz was developed in partnership with the Amah Mutsun Tribal Band Chairman and the Amah Mutsun Relearning Program at the UCSC Arboretum .

Thursday, February 23: The Clark Library is closed today.

MLA Style (9th Edition) Citation Guide: Introduction to MLA Style

• Introduction to MLA Style
• Journal Articles
• Magazine/Newspaper Articles
• Books & Ebooks
• Government & Legal Documents
• Biblical Sources
• Secondary Sources
• Videos/DVDs/TV Shows
• How to Cite: Other
• 9th Edition Updates
• Additional Help

Who should use MLA Style?

MLA style is used to cite sources within English, international languages, theater, cultural studies, and other humanities. 

What is MLA Style?

MLA style was created by the Modern Language Association of America. It is a set of rules for publications, including research papers.

In MLA style, you must cite sources that you have paraphrased, quoted or otherwise used to write your research paper. Cite your sources in two places:

• In the body of your paper where you add a brief in-text citation .
• In the Works Cited list at the end of your paper where you give more complete information for the source.
• Sample Student Papers (MLA Handbook Plus)
• MLA Style Sample Paper (Purdue OWL)
• Formatting Your MLA Paper (including paper template)

MLA Core Elements

When deciding how to cite your source, start by consulting the list of core elements. These are the general pieces of information that MLA suggests including in each Works Cited entry. In your citation, the elements should be listed in the following order:

• Title of source.
• Title of container,
• Other contributors,
• Publication date,

Each element should be followed by the punctuation mark shown here. Earlier editions of the handbook included the place of publication and required different punctuation (such as journal editions in parentheses and colons after issue numbers). In the current version, punctuation is simpler (only commas and periods separate the elements), and information about the source is kept to the basics.

Note: According to p. 42 of the MLA Handbook, publisher information may be omitted for:

• periodicals (journals, magazines, newspapers)
• works published by an author or editor
• web sites whose title is the same as the name of the publisher
• a web site not involved in producing the work it makes (e.g. user-generated content sites like YouTube)

Commonly Used Terms

Access Date:  The date you first look at a source. The access date is added to the end of citations for all websites except library databases.

Citation: Details about one cited source.

Citing: The process of acknowledging the sources of your information and ideas.

In-Text Citation: A brief note at the point where information is used from a source to indicate where the information came from. An in-text citation should always match more detailed information that is available in the Works Cited List.

Paraphrasing: Taking information that you have read and putting it into your own words.

Plagiarism: Taking, using, and passing off as your own, the ideas or words of another.

Quoting: The copying of words of text originally published elsewhere. Direct quotations generally appear in quotation marks and end with a citation.

Works Cited List: Contains details on ALL the sources cited in a text or essay, and supports your research and/or premise.

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Format Your Paper & Cite Your Sources

Citing sources, why does citing sources matter, what do you cite, tips for citing sources.

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When you write a research paper, you use information and facts from a variety of resources to support your own ideas or to help you develop new ones. Books, articles, videos, interviews, and Web sites are some examples of sources you might use.

Citing these sources of information in your work is essential because:

• It gives credit to the author of the original work who provided you with the information or idea
• It allows your audience to identify and find the source material in order to learn more about your topic
• It gives your paper more credibility because it shows you're supporting your arguments with high-quality source. It also helps earn your readers' trust because you're telling your readers the source of your facts so that they can confirm them for themselves
• It helps you avoid plagiarism

Watch this short video from The Learning Portal to learn why you cite and when you cite. Watch, Learn, and Enjoy!

"Why You Need to Cite Sources" by The Learning Portal is licensed under CC BY-NC-SA 4.0

Cite all outside sources you use in your research paper! Citing is required for sources you:

Quote  word-for-word,

Paraphrase  (rewrite using your own words), and

Summarize (rewrite the main concept or idea in your own words) .  

How Citation Style Affects Your Paper:

No matter which citation style you use, you need to cite your sources within the body of your paper where you incorporate your outside sources (in-text citations) and in your cumulative list of sources at the end of your paper (Works Cited, References, or Bibliography)

Collect the Information You Need

It's important to make sure you collect all the information you need to cite a source as you gather your information so that you won't need to look it up again, so:

• Take clear, accurate notes about where you found specific ideas
• Write down the complete citation information for each book, article, etc. you use as you go along
• Use quotation marks when directly stating another person's words
• Always credit original authors for their information and ideas

Keep Track of Information About Your Sources

As you explore your topic, you'll discover and read information from many different sources. With each new source, you'll need to decide if you want to use it. To help you make this decision, you'll ask yourself questions about the source like:

• Who  is the author of this source?
• What  is the title of the source?
• How  was the source published?
• Where  did I find this source?
• When  was the source published?

Each of these elements (author, title, publisher, location, publication date) will become part of your citation. As you work, you'll want to keep track of each of these elements so that creating your citations will be easier.

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Except where otherwise noted, this work is licensed under CC BY-SA 4.0 and CC BY-NC 4.0 Licenses .

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A publication of the harvard college writing program.

Harvard Guide to Using Sources 

• The Honor Code
• Citing Sources

Citations provide information to help your audience locate the sources you consulted when writing a paper or preparing a presentation. Some of your instructors will specify which citation format you should use; others will tell you to choose your own citation format as long as you use it consistently. The most common citation formats are MLA (Modern Language Association) style, which is primarily used for papers in the humanities; APA (American Psychological Association) style, which is primarily used for papers in the social sciences; and Chicago style (The Chicago Manual of Style), which is used for both humanities and social science papers.

Some of your courses at Harvard will require you to use other citation formats. Some science courses may require you to use the citation style of the American Medical Association (AMA). AMA style is considered a standard citation format for academic writing in the sciences and is used in many textbooks and medical journals. The AMA Manual of Style is available online . The American Chemical Society publishes its own style guide , which you may be asked to use in chemistry courses. The Harvard Department of Economics provides students with a departmental style guide, which you can find  here . If you are not sure which format to use for a specific course, consult your instructor.

Both APA and MLA styles require you to credit your sources in two ways. First, you must include a parenthetical citation in the text of your paper that indicates the source of a particular quotation, paraphrased statement or idea, or fact; second, you must include a list of references at the end of your paper that enables readers to locate the sources you have used. You can read more about MLA style here and APA style here .

Chicago style also requires you to credit your sources both in the text and at the end of your paper. Chicago offers guidance on two types of in-text citations–notes or parenthetical citations. You can read more about Chicago style here .

If you have questions about which citation style to use, you should always check with your instructor.

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Holman Library

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Library Research: A Step-By-Step Guide

• Step 5: Cite Your Sources
• Library Research: A Step-by-Step Guide
• 1a. Understand Your Assignment
• 1b. Select a Topic
• 1c. Develop Research Questions
• 1d. Identify Search Words
• 1e. Find Background Info
• 1f. Refine Your Topic
• 2a. Use Smart Search Strategies
• 2b. Find Books
• 2c. Find Audio and Video
• 2d. Find Articles
• 2e. Find Websites
• 2f. Find Info in Holman Library One Search
• 3a. Evaluate By Specific Criteria
• 3b. Distinguish Between Scholarly/Popular Sources
• Step 4: Write

Definitions

Some definitions.

A citation reflects all of the information a person would need to locate a particular source. For example, basic citation information for a book consists of name(s) of author(s) or editor(s), title of the book, name of publisher, place of publication, and most recent copyright date.

Citation styles

A citation style (such as "APA" or "MLA") dictates the information necessary for a citation and how the information is ordered, as well as punctuation and other formatting.

Bibliographies

A bibliography is an organized list of citations.

Annotated bibliographies

In an annotated bibliography, each citation is followed by a brief note—or annotation—that describes and/or evaluates the source and the information found in it.

A works cited or reference page

A works cited (MLA style) or references (APA style) list presents citations for those sources referenced or cited in a particular paper, presentation, or other composition.

In-text citations

An in-text citation consists of just enough information to correspond to a source's full citation in a Works Cited or References list. In-text citations often require a page number (or numbers) showing exactly where relevant information was found in the original source.

An Abstract

An abstract is a summary of an article or other work and cannot be used as if it were the full text. You should not reference or cite an abstract in a paper or presentation, but instead find the full text.

Step 5: Cite your sources

Why cite sources, avoid plagiarizing.

You must cite any direct quotation, summary, or paraphrase of any idea or fact from your research. Citing sources is giving credit to the original author and publication where you found the information. 

Lend Authority to Your Research: 

By referencing the work of scholars and other professionals, you demonstrate that your own research is based on solid, reliable information and that you are capable of critical thinking by being able to synthesize that research into your own.

Provide a Path: 

By citing sources, you provide the information readers of your paper need in order to locate the same sources that you did. 

Acknowledge Other's Work: 

Part of your research is built upon the research of other people. It is respectful and fair to give them credit for their hard work (just as you would hope someone would give you credit if they were quoting your own work!)

What are citations?

Citation basics.

Review the list and image below, which both outline how the in-text citation in your essay connects to the larger reference page of your work. 

(click on image to enlarge)

• Place in-text citations in the body of the paper to acknowledge the source of your information.  This is meant to be a shortened version of the full citation that appears on the final page of your paper.
• Place full citations for all your sources on the last page entitled References or Works Cited (different citation styles require different titles).  Full citations are meant to provide readers with enough information so that they can locate the source themselves.
• APA or MLA are citation styles.  Each has different guidelines for how source information (author, title, year...etc.) should be formatted and punctuated for both in-text citations and for the References or Works Cited pages

Consult a guide for the specific citation style you are using:

• APA Citation Style Guide Offers complete and detailed instructions on APA citation style as well as annotated bibliographies, verbal citations and formatted essay examples.
• MLA Citation Style Offers complete and detailed instructions on MLA citation style as well as annotated bibliographies, verbal citations and formatted essay examples.
• Other Citation Styles

Resources to learn more about why you should cite!

Avoid plagiarism.

• Verbal Citations

Check and cite your sources

Citations are crucial to avoiding plagiarism and in giving credit to the creators of the sources you used! But citations are very nitty gritty; they're all about the tiny details! Take the time to sign up for a NoodleTools account that can help you get those citations created with ease!

Image Source:  "Verification"  by  Mohamed Hassan  is in the  Public Domain, CC0

Automatic citation generator

Noodletools.

Access online tutorials using the links below:

• NoodleTools Quick Start Guide
• NoodleTools How-To Guide
• Video Tutorial: NoodleTools (length=10:02)
• NoodleTools: Importing Citations from Library Databases

Quick guides: APA and MLA

Citation quick guides.

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Citing Sources: Writing & Citing

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Tips for Writing a Successful Paper with Sources

College-level writing requires you to use sources, either ones read in class or ones you find yourself through research, to enter the scholarly conversation on a topic. The tips below provide some advice on how to enter this conversation. Click the headings to learn more. 

Understand the purpose of your paper.

• Is your goal to persuade, analyze, report, summarize, etc.?
• Does your professor expect you to use readings from the class?
• Do you need to find additional outside sources?

Expectations for use of sources can vary significantly from discipline to discipline. If it hasn’t been spelled out in the assignment description, be sure to ask your professor for clarification.

Ask a question and use sources to support your answer.

Start your writing process with a substantive question , ideally one you’re actually curious about. The sources you seek out, then, should answer genuine questions that arise from your initial consideration of your topic or theme. The sources you use should serve to illustrate, extend, demonstrate, and/or inform the argument you’re making rather than make the argument for you. Think of it this way: if you imagine your finished paper as a brick wall, your ideas should be the bricks and your sources should be the mortar—not the other way around.

Flesh out your ideas.

Write a loose pre-draft of the paper built from your own ideas, observations, and questions without using any sources. This pre-draft can help you articulate your ideas so that you can more accurately identify the specific kind of information you need to fill gaps in your knowledge and strengthen your argument.

Use writing to actively engage with your sources.

Whether you are re-reading class texts or conducting outside research, be sure to write down new ideas, questions, and insights as they occur to you. Otherwise, you risk losing sight of or simply forgetting details that might ultimately add substance to your paper.

Consider recording the following:

• Evolving ideas on your topic
• Lists of questions that have come up
• New insights you want to think about or explore more

Recording your thoughts strengthens your voice and clarifies your thinking throughout the writing process by keeping you in conversation with texts you’re exploring.

Select and read your sources with purpose.

Try to avoid selecting and reading sources just because they generally relate to your topic. Rather, think purposefully about what you hope to learn and how you hope the information will support your ideas before you delve into each source.

Some questions to consider:

• Are you looking for specific data or facts to back a claim you’re making?
• Are you trying to find an example to substantiate a key point in your argument?
• Are you reading to gain a better understanding of the cultural or historical moment you’re writing about?
• Are you exploring the source to fill a gap in your general knowledge about your topic?

Even if the source you’re considering ends up providing different information than you anticipate, going into your exploration with a stated objective gives you a point of reference that can help you more effectively navigate the material. Ultimately, this practice will help you maintain your focus as you explore new material.

Also keep in mind that while you will use sources to support your ideas, it doesn’t mean that you can ignore sources that contradict your argument. A strong paper will introduce such counterarguments and explain why your argument is superior.

Select your quotes with specific intention.

Don’t add a quote simply because it seems interesting or sounds impressive. When selecting a quote, ask yourself what the passage will allow you to demonstrate or substantiate. Also understand the value of paraphrasing versus quoting:

To prevent plagiarism, you must cite both quoted and paraphrased material. If you’re unsure of what needs to be cited in your paper, be sure to seek clarification from your professor.

For more information, see the books mentioned in the Additional Resources box on this page.

Tips for Research Papers

Think about a possible topic throughout the semester.

Consider these questions as you are trying to choose a research topic:

• What ideas from your classes/readings most draw your attention?
• What questions continually pique your interest?
• What shifts and patterns have you noticed in your ways of thinking about the course material?
• What course assignments or ideas do you want to spend more time thinking about?

Talk to your professor.

• When you start to feel that a particular theme for the research paper is taking shape, discuss your ideas with your professor.
• As the course progresses, if you don’t feel that a research theme is emerging for you, meet with your professor to get more solid direction on possible topics.

Make research librarians your allies.

Research librarians can help you:

• Find the most viable sources
• Save you time tracking down relevant material
• Insure the quality of the material you use

The more clearly and specifically you can explain your research objectives, the more specific the research librarians can be in directing you to useful resources. But even if you’re still a little fuzzy on your focus, research librarians can help you to navigate the research process in ways you might not anticipate. Check the guide for the subject area of your research or citation question to contact a specific librarian for help, or email [email protected] to get in touch with any research librarian.

Acknowledgement

The Wellesley College Research & Instruction Team would like to thank the Williams College library team and Stephanie E. Dunson, Director of the Writing Program at Williams College, for agreeing to let us reuse and share  their excellent resources .

Why is citing sources important?

• To give  credit  to ideas that are not your own
• To provide  support  for your argument
• To enable your reader to  find  & read the sources you used
• To avoid  Honor Code  infractions

What's involved in citing correctly?

In most citation styles, two parts are needed:

• An in-text citation Whenever you refer to the work of another person, you must indicate within the text where you got the information. The in-text citation provides a brief reference and points your reader to the complete citation.
• A list of works used The final page of your paper is usually a list of resources you cited or consulted.

Select a citation style to find out more how these two parts are used and displayed in that style.

What needs to be cited?

• Exact wording taken from any source, including freely available websites
• Paraphrases of passages
• Indebtedness to another person for an idea
• Use of another student's work
• Use of your own previous work

You do not need to cite common knowledge.

Additional Resources

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Looking for a book, article, database or something else for your research, what is plagiarism.

Plagiarism is defined as "a piece of writing that has been copied from someone else and is presented as being your own work" or "taking someone's words or ideas as if they were your own"  [ 1 ]

Plagiarism is a serious issue in the academic community. While plagiarism sometimes does occur intentionally, it also occurs because the writer doesn’t understand or does not know how to avoid it. Please visit our online tutorial:  Plagiarism 101  for an entertaining and interesting look at why people plagiarize and strategies to avoid it.

Plagiarism occurs when you use someone else’s ideas and PRETEND they are your own. Avoiding plagiarism doesn’t mean that you can never use other people’s ideas. It’s a widely known secret that in fact you CAN use other peoples’ ideas and even their words. For many research papers you NEED to do this in order to prove your own points. So use their ideas! Use their words! Professors expect to see in your writing that you’ve done your research and understand what the experts think when you formed your own opinions. The trick is to acknowledge who these expert ideas really belong to by CITING them!

So let’s assume you don’t want to plagiarize, you’ve given yourself enough time to do it right, but you’re still not sure about “putting things in your own words,” judging when to cite work, or how to cite it. Read on for more information and examples.

Why acknowledge sources?

Doing research for a paper is an exploration and learning process. By acknowledging our sources we show our reader the path we took to come to our conclusions. Citing the authors we read shows how we tied others’ research and ideas together and how we came to learn about and develop our own ideas and opinions.

Why should you cite your sources?

1. Citations reflect the careful and thorough work you have put into locating and exploring your sources.

2. Citations help readers understand the context of your argument and are a courtesy to the reader, who may share your interest in a particular area of study.

3. Citations allow you to acknowledge those authors who contributed to your learning and your work.

4. Citations, by illustrating your own learning process, also draw attention to the originality and legitimacy of your own ideas.

5. By citing sources you demonstrate your integrity and skill as a responsible student and participant in your field of study.  [2]

When to cite sources

While professors and scholars may have specific requirements based on the needs of their discipline, there are cases where you should  always  cite your sources.

1. Direct quotes of more than one word.  If the author’s words are powerful or you need to be specific for your argument, the authors’ words can be used as a direct quote.

2. Paraphrasing or summarizing.  If you want to use someone else’s idea to help you make your point or to support your own ideas, in this case you would “translate” the ideas into your own words.

3. Information which may be common knowledge  but still unfamiliar to your reader. This would also include statistical information which may be familiar information but still requires confirmation.

4. Not just books or articles  should be cited. Any source that you use for information can and should be cited including interviews, websites, TV programs, etc.

5. Whenever you are not sure  if something should be cited, err on the side of caution and cite sources.

Let’s look at some examples…

Direct quotes

How much you quote will determine how it appears in the body of your paper but whether it is one word or an entire paragraph, direct quotes need to be cited.

Lappe’s explanation of a "thin democracy"  [3]  addresses a number of basic flaws within our American society.

Global warming is being recognized as a major issue throughout the world and as Al Gore instructs, "it is time to make peace with our planet."  [4]

Paraphrasing or Summarizing

This involves translating what you have read (or heard) and putting it into your own words. Paraphrasing typically refers to putting an idea or passage into your own words. Summarizing involves capturing the main idea or reducing a detailed piece to a shorter and more general synopsis.

Here's an example:

"Instructors usually allow students to find their own topics for a major writing assignment; thus choose something of interest to you so you won’t get bored after a few days. At the same time, your chosen topic will need a scholarly perspective." [5]

Paraphrase : When students are permitted to select their own topic to write about they should choose one that is interesting to them. The topic should also be scholarly in nature so that students will be able to find appropriate research and resources on the topic.  [5]

Summary : Students should select writing topics that are interesting and also lend themselves to academic research.  [5]

A summary generally addresses the overall theme of a passage, article, opinion, etc. while a paraphrase generally restates a more specific thought or idea. The difference between summarizing and paraphrasing is sometimes obvious and sometimes subtle — do you see the difference?

Common Knowledge? Or Not?

Some basic facts are common knowledge and easily confirmed from a variety of sources. Statistics should always be cited, as well as opinions and less familiar facts. Information that is considered well-known within your field of study will also help determine if it is considered common or not. However, if you are not sure, cite it!

The University at Albany located in Albany, New York and is part of the State University of New York.

This is common knowledge and easily confirmed in a multitude of sources.

The State University of New York was officially established in February of 1948 and currently consists of 64 institutions. The University at Albany is one of ten University Centers that are part of the SUNY system.  [6]

While the SUNY system is well known and these facts are easily confirmed, specific historical information or statistics should be cited.

How to cite?

We’ve talked about plagiarism as well as why and when to cite. The next question is "How?"

There are  two things you need to know  from your professor.

The FIRST is how you will reference your sources within your paper. Generally you will use one of the following options:

• IN TEXT  citation is when your source author is included within the body of your paper. This acts as a reference to your 'Works Cited' page.
• END NOTES  format is used in this document. The cited idea or quote is noted with a number and the source is listed at the end of the paper.
• FOOT NOTES  format is similar to end notes however the citations are listed at the bottom of each page.

The SECOND thing you need to know is what Format and Style Guide to use. There are very specific rules about how to do this that are not included in this document. Your professor will tell you which s/he wants you to follow. The choices will typically be one of the following:

• MLA  Format and Style Guide (Modern Language Association)
• APA  Format and Style Guide (American Psychological Association)
• CHICAGO  Manual of Style

Please visit the University Libraries' Citation Basics research guide  for information and instructions on these style guides. Once you know what your professor wants you will need to follow the rules of that format accordingly.

[ 1 ]  "Plagiarism."  WordNet 3.0 . Princeton University. 03 Apr. 2008.  Dictionary.com http://dictionary.reference.com/browse/plagiarism .

[ 2 ] Adapted from "Sources and Citation at Dartmouth College." Dartmouth College. 1998. Retrieved 9 Feb 2009.  http://www.dartmouth.edu/~writing/sources/sources-citation.html

[ 3 ] Lappe, Frances Moore.  Getting a Grip.  Cambridge, MA : Small Planet Media, 2007.

[ 4 ] Gore, Al. "Nobel Prize Acceptance Speech."  Al’s Journal . December 10, 2007. Retrieved April 10, 2008  http://blog.algore.com/2007/12/nobel_prize_acceptance_speech.html

[ 5 ] Lester, James D. & James D. Lester Jr.  Writing Research Papers: A Complete Guide, 11th Ed.  New York: Pearson Education, 2005.

[ 6 ] "Short History of SUNY." The State University of New York. 2008. Retrieved April 25, 2008.  http://www.suny.edu/student/university_suny_history.cfm

Still Have Questions?

Citation Style Guide

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Citing Sources

Welcome to the nyu libraries citation style guide..

When you are writing a paper or doing research on a topic, you must cite your sources. Academic or scholarly work requires a bibliography, which may also be referred to as a works cited page, a citations list, or a reference list. There are many reasons why citing your sources is important, and you must cite them in order to avoid plagiarism . There are various styles for citing sources; you will most likely find that you will need to use one style if you are writing a paper for a literature course and a different style if you are working in the sciences or social sciences.

How to use this guide:

Using the pages of this guide, you should select the citation style appropriate for your field of study. On each page, there are some basic examples of items you might be citing. For further examples or more detailed assistance, you may need to refer to a complete writing and style guide. Go to the More Style and Writing Guides page for more information.

Citation management systems, like RefWorks or Endnote, are extremely useful for keeping track of, organizing, formatting, and sharing your reference lists. Go to the Citation Management and Formatting Tools page for more information.

If you have questions about how to cite your sources or what style you should use, remember that you can ask your professor, teaching assistant, advisor, or a librarian. Good luck!

What Is Plagiarism?

Why should you cite your sources, when should you cite your sources.

Plagiarism (pronounced: play -juh-riz-um) is the act of taking someone else’s words, ideas, or information and passing them off as your own. If you don’t give credit to the author of these ideas in footnotes or endnotes and a bibliography, you are committing plagiarism, which is a serious academic offense.

Everything you find that is written, whether in print in books and journals, or on the web, should be considered copyrighted . That means that you should think of it as belonging to someone else. Information that you find on the web is not free to take or use – it is someone else’s intellectual property . Any material lifted from an original source, including web resources, without proper acknowledgement or credit is considered plagiarized. Inadvertent or accidental plagiarism is still plagiarism. Plagiarism can inadvertently happen if you are not careful about taking notes while you research; it is sometimes difficult to remember exactly where your ideas came from when you are doing research, so remember to cite your sources while you work.

It is your responsibility to know what constitutes plagiarism. Not knowing citation standards is not an excuse. When in doubt, err on the side of over-documentation and cite the source. You can also ask your professor, teaching assistant, or a librarian for help in determining what is and is not plagiarism.

All scholarly or academic work requires that you cite your sources, whether you are writing a long paper or a quick report. Why is citing your research so important?

Researching and writing a paper ideally involves a process of exploring and learning. By citing your sources, you are showing your reader how you came to your conclusions and acknowledging the other people's work that brought you to your conclusions.

Citing your sources...

• Documents your research and scholarship
• Acknowledges the work of others whose scholarship contributed to your work
• Helps your reader understand the context of your argument
• Provides information for your reader to use to locate additional information on your topic
• Establishes the credibility of your scholarship
• Provides you with an opportunity to demonstrate your own integrity and understanding of academic ethics

Partially adapted from "When and Why to Cite Sources." SUNY Albany. 2008. Retrieved 29 Aug 2020.  https://library.albany.edu/infolit/resource/cite-sources

Sometimes your professor or your discipline will have specific requirements about when and how to cite your sources. However, these are some guidelines that generally apply.

Always cite your sources when:

• You quote verbatim from someone else's work.
• You summarize or paraphrase someone else's work.
• You are conveying information which may be unfamiliar to your reader (e.g. statistics or factual data).
• You are not sure whether or not you need to cite. As mentioned above, when in doubt, err on the side of caution. It is better to give your reader more information rather than less .

Remember, if you have a question about whether or not you need to cite your source, you can ask your professor, teaching assistant, or a librarian for help. Sometimes citing your sources takes a little bit of time and effort, but it is worth it to avoid plagiarism.

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• Last Updated: Aug 30, 2024 11:53 AM
• URL: https://guides.nyu.edu/citations

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• Citing Sources

Citing Sources: What are citations and why should I use them?

What is a citation.

Citations are a way of giving credit when certain material in your work came from another source. It also gives your readers the information necessary to find that source again-- it provides an important roadmap to your research process. Whenever you use sources such as books, journals or websites in your research, you must give credit to the original author by citing the source. 

Why do researchers cite?

Scholarship is a conversation  and scholars use citations not only to  give credit  to original creators and thinkers, but also to  add strength and authority  to their own work.  By citing their sources, scholars are  placing their work in a specific context  to show where they “fit” within the larger conversation.  Citations are also a great way to  leave a trail  intended to help others who may want to explore the conversation or use the sources in their own work.

In short, citations

(1) give credit

(2) add strength and authority to your work

(3) place your work in a specific context

(4) leave a trail for other scholars

"Good citations should reveal your sources, not conceal them. They should honeslty reflect the research you conducted." (Lipson 4)

Lipson, Charles. "Why Cite?"  Cite Right: A Quick Guide to Citation Styles--MLA, APA, Chicago, the Sciences, Professions, and More . Chicago: U of Chicago, 2006. Print.

What does a citation look like?

Different subject disciplines call for citation information to be written in very specific order, capitalization, and punctuation. There are therefore many different style formats. Three popular citation formats are MLA Style (for humanities articles) and APA or Chicago (for social sciences articles).

MLA style (print journal article):  

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles Vol. 49.3 (2003): 179-182.

APA style (print journal article):

Whisenant, W. A. (2003) How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX. Sex Roles , 49 (3), 179-182.

Chicago style (print journal article):

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles 49, no. 3 (2003): 179-182.

No matter which style you use, all citations require the same basic information:

• Author or Creator
• Container (e.g., Journal or magazine, website, edited book)
• Date of creation or publication
• Publisher 

You are most likely to have easy access to all of your citation information when you find it in the first place. Take note of this information up front, and it will be much easier to cite it effectively later.

• << Previous: Basics of Citing
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• Last Updated: May 1, 2024 12:48 PM
• URL: https://guides.lib.uw.edu/research/citations

Using Information Sources Ethically and Legally

• Understanding Plagiarism
• Avoidance Tips

When do I need to cite sources?

Does everything need to be cited, all you need to know about citing sources, get help from libraries and writing centers.

Always give credit where credit is due. If the words that you are including in your research belong to someone else, give credit. 

Here is  a brief list of what needs to be credited or documented :  

• Words or ideas presented in a magazine, book, newspaper, song, TV program, movie, website, computer program, letter, advertisement, or any other medium  
• Information you gain through interviewing or conversing with another person, face to face, over the phone, or in writing  
• When you copy the exact words or a unique phrase  
• When you reprint any diagrams, illustrations, charts, pictures, or other visual materials  
• When you reuse or repost any digital media, including images, audio, video, or other media  

There are certain things that  do not need documentation or credit, including :  

• Writing your own lived experiences, your own observations and insights, your own thoughts, and your own conclusions about a subject  
• When you are writing up your own results obtained through lab or field experiments  
• When you use your own artwork, digital photographs, video, audio, etc.  
• When you are using "common knowledge," things like folklore, common sense observations, myths, urban legends, and historical events (but  not  historical documents)  
• When you are using generally accepted facts (e.g., pollution is bad for the environment) including facts that are accepted within particular discourse communities (e.g., in the field of composition studies, "writing is a process" is a generally accepted fact).  

(From Plagiarism FAQs - Purdue Writing Lab )

The following chart from the UT Arlington Library Acknowledging Sources tutorial will guide you in your decision:

What is common knowledge? This refers to facts well known by many people and verifiable in five or more sources. Examples:

• Bill Gates is the founder of the Microsoft Corporation.
• There are 60 minutes in an hour.
• Columbus is the capital of Ohio.
• The whole is greater than the part.
• Common Knowledge inforgraphic

If you have any doubts or questions, ask your professor or librarian. Err on the side of caution: when in doubt, cite!

The online guide Citing Your Sources provides information on citation, style guides, citation tools, and more.

• Ask a Question (UC Libraries form) Email you reference question and get a response within 24 hours.
• Subject librarians Contact a specialist in your discipline.

Writing Centers

• Academic Writing Center (UC Clifton) Trained writing center tutors provide UC students with free writing assistance.

Schedule an appointment

AWC Tutor Feedback (submit a paper of six double-spaced pages or less and get  feedback from a tutor within 48 hours)

Email: [email protected]

• UC Clermont Learning Commons Support Services

Email: [email protected]

• UC Blue Ash Writing and Study Skills Center

Submit your work (submit a paper of six double-spaced pages or less and get  feedback from a tutor within 24-48 hours)

Email: [email protected]

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• Next: Credits >>
• Last Updated: Sep 5, 2024 3:51 PM
• URL: https://guides.libraries.uc.edu/integrity

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Citing Sources

• What Information Should be Cited and Why?
• Intentional & Unintentional Plagiarism
• Tips for Avoiding Plagiarism
• Resources & Help
• APA Style -- 7th edition (2019)
• In-text Citations
• Formatting your Paper
• Works Cited List
• Websites & Web Materials
• Formatting Your Paper
• Notes and Bibliography
• Author-Date

• What are the library hours?
• How do I take materials out of the libraries? To check out materials, go to the front desk (check out desk) at the Library. You'll need your Holy Family ID card.
• How do I access the databases to find articles from off campus? Sign-In using the same log-in as your Canvas account.
• What do I do if full text is not available in a database? Our databases include abstracts (summaries) and selected full text of articles. If the full-text article is not available in one database, it may be available in another. Search the Publication Finder by journal title to see which database includes the full text.
• How can I get items from another library when Holy Family does not have what I need? If we don't have the item that you need in our collection, we can request it for you from another library. Fill out an Interlibrary Loan request form.
• How do I cite in APA, MLA or Chicago style? See our citation guides for examples of citation in various citation styles.
• How does faculty request library instruction for a class?
• If a professor says they have a book on reserve in the Library, what does that mean? Instructors can place items on reserve in the Library for their class using a Library service called "Course Reserve." Click the link for more information regarding this service.

Why Do We Cite Our Research?

Sources of information are cited in order to give the original authors/creators proper credit for their work and to document where an author heard or read the fact or idea that has been incorporated into a new work. The purpose of citations is to let the reader know where you obtained information so sources can easily be located and consulted.

Because knowledge is a cumulative process built on the research and writing of other researchers, your instructor needs to see the quality of the sources you used and how you developed your ideas.

To get started and to see examples, select the citation style from the dropdown menu on the left.

What Information Should Be Cited and Why?

In general, you must document sources when you provide information that you ordinarily would not have known before conducting your research, and when you provide information that it cannot be assumed the reader knows. You must cite a reference when you:

• Discuss, summarize, or paraphrase the ideas of an author
• Provide a direct quotation
• Use statistical or other data
• Use images, graphics, videos, and other media

While you are doing research and locating sources, be sure to document materials thoroughly, noting the author, title, publisher, place of publication, date, and page numbers of all sources used. For electronic materials, you should also note the DOI number (Digital Object Identifier) if available. Note the URL of any website you consult; depending on the source, you may need it for reference.

APA style no longer requires a database name for most references; MLA style still requires it as part of your citation. In either case, make a note of it in case you need to retrieve it at a later date.

Common Knowledge

Things that are common knowledge do not require citation. For example:

• Social networking sites such as Facebook allow people to communicate easily regardless of their location. (does not require citation)
• The Japanese navy attacked Pearl Harbor on December 7, 1941. (does not require citation)

However, if someone draws an original conclusion from a common fact, then you must cite the source:

• The ability to share real-time news and video with the world via social networking sites has emboldened student movements in countries where there is very little freedom of the press. (requires citation)
• Japan's failure to sink any U.S. aircraft carriers in the otherwise devastating attack on Pearl Harbor assured Japan's eventual defeat. (requires citation)

Also, common sayings or proverbs need not be cited:

• "The early bird gets the worm." (common expression with no distinct origin)

Below is a famous saying you might recognize, but it's actually from a poem by Sir Walter Scott. If you read this in a book, of course, you would cite the book. If you already knew this expression, you should still give Sir Walter Scott credit for it because it has a distinct and identifiable origin.

• "Oh, what a tangled web we weave when first we practice to deceive."

Getting started

We understand that citing your sources can be a little confusing, but it doesn't have to be overwhelming. Before you start, ask yourself these questions:

1. What type of source am I trying to cite?

• Journal article? Book? Webpage?

2. Where did I retrieve that source?

• Library database? Website? Was it a print source?

3. What citation style am I supposed to use for my assignment?

Once you've answered these questions, select the most appropriate option from either the  APA  or  MLA  dropdown menu.

To request a one-on-one consultation with a librarian to begin research on a paper, find sources, or review the APA/MLA formatting of their paper and/or references please make an appointment with us through our online web form . We offer both online and in-person options

• Next: Academic Integrity & Plagiarism >>
• Last Updated: Sep 4, 2024 11:58 AM
• URL: https://holyfamily.libguides.com/citingsources

• Locations and Hours
• UCLA Library
• Research Guides
• Research Tips and Tools

Citing Sources

• How to Avoid Plagiarism
• Introduction
• Reading Citations

Best Practices for Avoiding Plagiarism

The entire section below came from a research guide from Iowa State University.  To avoid plagiarism, one must provide a reference to that source to indicate where the original information came from (see the "Source:" section below).

"There are many ways to avoid plagiarism, including developing good research habits, good time management, and taking responsibility for your own learning. Here are some specific tips:

• Don't procrastinate with your research and assignments. Good research takes time. Procrastinating makes it likely you'll run out of time or be unduly pressured to finish. This sort of pressure can often lead to sloppy research habits and bad decisions. Plan your research well in advance, and seek help when needed from your professor, from librarians and other campus support staff.
• Commit to doing your own work. If you don't understand an assignment, talk with your professor. Don't take the "easy way" out by asking your roommate or friends for copies of old assignments. A different aspect of this is group work. Group projects are very popular in some classes on campus, but not all. Make sure you clearly understand when your professor says it's okay to work with others on assignments and submit group work on assignments, versus when assignments and papers need to represent your own work.
•  Be 100% scrupulous in your note taking. As you prepare your paper or research, and as you begin drafting your paper. One good practice is to clearly label in your notes your own ideas (write "ME" in parentheses) and ideas and words from others (write "SMITH, 2005" or something to indicate author, source, source date). Keep good records of the sources you consult, and the ideas you take from them. If you're writing a paper, you'll need this information for your bibliographies or references cited list anyway, so you'll benefit from good organization from the beginning.
• Cite your sources scrupulously. Always cite other people's work, words, ideas and phrases that you use directly or indirectly in your paper. Regardless of whether you found the information in a book, article, or website, and whether it's text, a graphic, an illustration, chart or table, you need to cite it. When you use words or phrases from other sources, these need to be in quotes. Current style manuals are available at most reference desks and online. They may also give further advice on avoiding plagiarism.
• Understand good paraphrasing. Simply using synonyms or scrambling an author's words and phrases and then using these "rewrites" uncredited in your work is plagiarism, plain and simple. Good paraphrasing requires that you genuinely understand the original source, that you are genuinely using your own words to summarize a point or concept, and that you insert in quotes any unique words or phrases you use from the original source. Good paraphrasing also requires that you cite the original source. Anything less and you veer into the dangerous territory of plagiarism."

Source: Vega García, S.A. (2012). Understanding plagiarism: Information literacy guide. Iowa State University. Retrieved from  http://instr.iastate.libguides.com/content.php?pid=10314 . [Accessed January 3, 2017]

Plagiarism prevention.

• Plagiarism Prevention (onlinecolleges.net) This resource provides information about preventing plagiarism, understanding the various types of plagiarism, and learning how to cite properly to avoid plagiarism.

UCLA has a campuswide license to Turnitin.com. Faculty may turn in student papers electronically, where the text can be compared with a vast database of other student papers, online articles, general Web pages, and other sources. Turnitin.com then produces a report for the instructor indicating whether the paper was plagiarized and if so, how much.

For more information, go to Turnitin.com .

Plagiarism in the News

• << Previous: Plagiarism
• Next: Get Help >>
• Last Updated: May 17, 2024 2:33 PM
• URL: https://guides.library.ucla.edu/citing

Organizing Your Social Sciences Research Paper: Citing Sources

• Purpose of Guide
• Writing a Research Proposal
• Design Flaws to Avoid
• Independent and Dependent Variables
• Narrowing a Topic Idea
• Broadening a Topic Idea
• The Research Problem/Question
• Academic Writing Style
• Choosing a Title
• Making an Outline
• Paragraph Development
• The C.A.R.S. Model
• Background Information
• Theoretical Framework
• Citation Tracking
• Evaluating Sources
• Reading Research Effectively
• Primary Sources
• Secondary Sources
• What Is Scholarly vs. Popular?
• Is it Peer-Reviewed?
• Qualitative Methods
• Quantitative Methods
• Common Grammar Mistakes
• Writing Concisely
• Avoiding Plagiarism [linked guide]
• Annotated Bibliography
• Grading Someone Else's Paper

A citation is a formal reference to a published or unpublished source that you consulted and obtained information from while writing your research paper. The way in which you document your sources depends on the writing style manual your professor wants you to use for the class [e.g., APA, MLA, Chicago, Turabian, etc.]. Note that some disciplines have their own citation method [e.g., law].

Importance of a Citing your Sources

Citations document for your readers where you obtained your material, a means of critiquing your study based on the sources you used, and an opportunity to obtain information about prior studies of the research problem under investigation. The act of citing sources is also your best defense against allegations of plagiarism.

Properly citing the works of others is important because:

• Proper citation allows readers to locate the materials you used . Citations to other sources helps readers expand their knowledge on a topic. In most social sciences disciplines, one of the most effective strategies for locating authoritative, relevant sources about a topic is to follow footnotes or references from known sources ["citation tracking"].
• Citing other people's words and ideas indicates that you have conducted a thorough review of the literature on your topic and, therefore, you are reporting your research from an informed and critically engaged perspective. This increases your credibility as the author of the work.
• Other researcher's ideas can be used to reinforce your arguments . In many cases, another researcher's arguments can act as the primary context from which you can emphasize the significance of your study and to provide supporting evidence about how you addressed the "So What?" question.
• The ideas of other researchers can be used to explain reasons for alternative approaches . If you disagree with a researcher's ideas or you believe there is a gap in understanding the research problem, your citations can serve as sources from which to argue an alternative viewpoint or the need to pursue a different course of action.
• Ju st as the ideas of other researchers can bolster your arguments, they can also detract from your credibility if their research is challenged . Properly citing sources prevents your reputation from being tarnished if the facts or ideas of those cited are proven to be inaccurate or off-base. It prevents readers from concluding that you ignored or dismissed the findings of others, even if they are disputed.
• Ideas are considered intellectual property and there can be serious repercussions if you fail to cite where you got an idea from . In the professional world, failure to cite other people's intellectual property ruins careers and reputations and can result in legal action. Citing sources during college will help get you in the habit of acknowledging and properly citing the work of others.

NOTE :   In any academic writing, you are required to identify for your reader which ideas, facts, theories, concepts, etc., are yours and which are derived from the research and thoughts of others. Whether you summarize, paraphrase, or use direct quotes, if it's not your original idea, the source must be acknowledged. The only possible exception to this rule is information that is considered to be a commonly known fact [e.g., George Washington was the first president of the United States]. Appreciate, however, that any "commonly known fact" is culturally constructed and shaped by social and aesthetical biases . If you are in doubt about whether a fact is common knowledge or not, protect yourself from an allegation of plagiarism and provide a supporting citation, or ask your professor for clarification.

Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; Citing Information . The Writing Center. University of North Carolina; Harvard Guide to Using Sources . Harvard College Writing Program. Harvard University; Newton, Philip. "Academic Integrity: A Quantitative Study of Confidence and Understanding in Students at the Start of Their Higher Education."  Assessment and Evaluation in Higher Education 41 (2016): 482-497;  Referencing More Effectively . Academic Skills Centre. University of Canberra; Using Sources . Yale College Writing Center. Yale University.

Structure and Writing Style

Referencing your sources means systematically showing what information or ideas you are quoting or paraphrasing from another author’s work, and identifying where that information come from . You must cite research in order to do research, but at the same time, you must delineate what are your original thoughts and ideas and what are the thoughts and ideas of others. Procedures used to cite sources vary among different fields of study. Always speak with your professor about what writing style for citing sources should be used for the class because it is important to fully understand the citation style to be used in your paper, and to apply it consistently. If your professor defers and tells you to "choose whatever you want, just be consistent," then choose the citation style you are most familiar with or that is appropriate to your major [e.g., use Chicago style if its a history class; use APA if its an education course; use MLA if it is literature or a general writing course].

GENERAL GUIDELINES

1. Should I avoid referencing other people's work? No! If placed in the proper context, r eferencing other people's research is never an indication that your work is substandard or lacks originality. In fact, the opposite is true. If you write your paper without adequate references to previous studies, you are signaling to the reader that you are not familiar with the literature about the topic, thereby, undermining the validity of your study and your credibility as a researcher. Including references in academic writing not only defends you against allegations of plagiarism, but it is one of the most important ways to demonstrate your knowledge and understanding of previous investigations about the research problem. It is the intellectual packaging around which you present your study to the reader.

2. What should I do if I find that my idea has already been examined by another researcher? Do not ignore another author's work because doing so will lead your readers to believe that you have either borrowed the idea or information without properly referencing it [this is plagiarism] or that you have failed to conduct a thorough review of the literature. You can acknowledge the other research by writing in the text of your paper something like this: [see also Smith, 2002], then citing the complete source in your list of references. Use the discovery of prior research as an opportunity to demonstrate the significance of the problem being investigated and, if applicable, as a means of delineating your analysis from those of others [e.g., the prior study is ten years old and doesn't take into account new variables]. Reacting to prior research can include: stating how your study updates previous studies on the topic, offering a new or different perspective, using a different method of data gathering, and/or describing a new set of recommendations, best practices, or working solutions.

3. What should I do if I want to use an adapted version of someone else's work? You still must cite the original work. For example, maybe you are using a table of statistics from a journal article published in 1996 by author Smith, but you have altered or added new data to it. Reference the revised chart, such as, [adapted from Smith, 1996], then cite the complete source in your list of references. You can also use other terms in order to specify the exact relationship between the original source and the version you have presented, such as, "based on Smith [1996]...," or "summarized from Smith [1996]...." Citing the original source helps the reader locate where the information was first presented and under what context it was used as well as to evaluate how effectively you applied it to your own research.

4. What should I do if several authors have published very similar information or ideas? You can indicate that the idea or information can be found in the work of others by stating something similar to the following example: "Though in fact many scholars have applied this theory to understanding economic relations among nations [for example, see Smith, 1989; Jones, 1991; Johnson, 1994; Anderson, 2003], little attention has been given to applying the theory to examining the actions of non-governmental organizations in a globalized economy." If you only reference one author or only the most recent study, then your readers may assume that only one author has published on this topic, or more likely, conclude that you have not conducted a thorough literature review. Referencing all relevant authors of prior studies gives your readers a clear idea of the breadth of analysis you conducted in preparing to study the research problem. If there has been a lot of prior studies on the topic, describe the most comprehensive and recent works because they will presumably discuss and reference the older studies; but note, as in the above example, that there has been significant scholarship devoted to the topic so the reader knows that you are aware of this.

5. What if I find exactly what I want to say in the writing of another researcher? In the social sciences, the rationale in duplicating prior research is generally governed by the passage of time, changing circumstances or conditions, or the introduction of new variables that necessitate a new investigation . If someone else has recently conducted a thorough investigation of precisely the same research problem as you, then you likely will have to revise your topic, or at the very least, review the literature to identify something new to say about the problem. However, if it is someone else's particularly succinct expression, but it fits perfectly with what you are trying to say, then you can quote it directly, referencing the source. Do not see this as a setback or become discouraged if you discover that your brilliant idea or important insight has already been identified by someone else. Identifying an author who has made the same point as you can be an opportunity to add legitimacy to, as well as reinforce the significance of, the research problem you are investigating. The key is to build on that idea in new and innovative ways. If you are not sure how to do this, consult with a librarian!

6. Should I cite a source even if it was published long ago? Obviously, any resource used in writing your paper should be cited, regardless of when the study was written. However, in building a case for understanding prior research about your topic, it is generally true that you should focus on citing more recently published studies because they presumably have built upon the research of older publications. This is particularly true of new or revised editions of books, unless an older edition has unique information not carried over into newer editions. When referencing prior studies, use the research problem as your guide when considering what to cite. If a study from forty years ago investigated the same research problem, it probably should be examined and considered in your list of references because the research may have been foundational or groundbreaking even if its findings are no longer relevant to current conditions or reflect current thinking [one way to determine if a study is foundational or groundbreaking is to examine how often it has been cited in recent studies using the "Cited by" feature of Google Scholar ]. However, if an older study only relates to the research problem tangentially or it has not been cited in recent studies, then it may be more appropriate to list it under further readings .

Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; Harvard Guide to Using Sources . Harvard College Writing Program. Harvard University; How to Cite Other Sources in Your Paper . The Structure, Format, Content, and Style of a Journal-Style Scientific Paper. Department of Biology. Bates College; Lunsford, Andrea A. and Robert Connors; The St. Martin's Handbook . New York: St. Martin's Press, 1989; Mills, Elizabeth Shown. Evidence Explained: Citing History Sources from Artifacts to Cyberspace . 3rd edition. Baltimore, MD: Genealogical Publishing Company, 2015; Research and Citation Resources . The Writing Lab and The OWL. Purdue University; Using Evidence . Writing Tutorial Services, Center for Innovative Teaching and Learning. Indiana University.

Citation Research Guides

The following USC Libraries research guide can help you properly cite sources in your research paper:

• Writing & Citation Guide

The following USC Libraries research guide offers basic information on using images and media in research:

• Using Images on the Copyright Guide

Listed below are particularly well-done and comprehensive websites that provide specific examples of how to cite sources under different style guidelines.

• Northwest Missouri State University, Owens Library
• Purdue University Online Writing Lab
• Southern Cross University Harvard Referencing Style
• University of Wisconsin Writing Center

This is a useful guide concerning how to properly cite images in your research paper.

• Colgate Visual Resources Library, Citing Images

This guide provides good information on the act of citation analysis, whereby you count the number of times a published work is cited by other works in order to measure the impact of a publication or author.

Automatic Citation Generators

The links below lead to systems where you can type in your information and have a citation compiled for you. Note that these are not foolproof systems so it is important that you verify that the citation is correct and check your spelling, capitalization, etc. However, they can be useful in creating basic types of citations, particularly for online sources.

• BibMe -- APA, MLA, Chicago, and Turabian styles
• DocsCite -- for citing government publications in APA or MLA formats
• EasyBib -- APA, MLA, and Chicago styles
• KnightCite -- APA, MLA, and Chicago styles
• Scholar Space -- APA, MLA, and Chicago styles including citing uncommon sources
• Son of Citation Machine -- APA, MLA, Chicago, and Turabian styles

NOTE :  Many companies that create the research databases the University Libraries subscribe to, such as the  Start your Research discovery database by Ebsco , include built-in citation generators that help take the guesswork out of how to properly cite a work. When available, you should utilize these features because they not only generate a citation to the source [e.g., a journal article], but include information about where you accessed the source [e.g., the database].

• << Previous: Writing Concisely
• Next: Avoiding Plagiarism [linked guide] >>
• Last Updated: Aug 24, 2024 10:22 AM
• URL: https://guides.library.txstate.edu/socialscienceresearch

In-Text Citations

In scholarly writing, it is essential to acknowledge how others contributed to your work. By following the principles of proper citation, writers ensure that readers understand their contribution in the context of the existing literature—how they are building on, critically examining, or otherwise engaging the work that has come before.

APA Style provides guidelines to help writers determine the appropriate level of citation and how to avoid plagiarism and self-plagiarism.

We also provide specific guidance for in-text citation, including formats for interviews, classroom and intranet sources, and personal communications; in-text citations in general; and paraphrases and direct quotations.

Academic Writer ®

Master academic writing with APA’s essential teaching and learning resource

Course Adoption

Teaching APA Style? Become a course adopter of the 7th edition Publication Manual

Instructional Aids

Guides, checklists, webinars, tutorials, and sample papers for anyone looking to improve their knowledge of APA Style

Scribbr Citation Generator

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APA, MLA, Chicago, and Harvard

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• Introduction
• Finding sources

Evaluating sources

• Integrating sources

Citing sources

Tools and resources, a quick guide to working with sources.

Working with sources is an important skill that you’ll need throughout your academic career.

It includes knowing how to find relevant sources, assessing their authority and credibility, and understanding how to integrate sources into your work with proper referencing.

This quick guide will help you get started!

Finding relevant sources

Sources commonly used in academic writing include academic journals, scholarly books, websites, newspapers, and encyclopedias. There are three main places to look for such sources:

• Research databases: Databases can be general or subject-specific. To get started, check out this list of databases by academic discipline . Another good starting point is Google Scholar .
• Your institution’s library: Use your library’s database to narrow down your search using keywords to find relevant articles, books, and newspapers matching your topic.
• Other online resources: Consult popular online sources like websites, blogs, or Wikipedia to find background information. Be sure to carefully evaluate the credibility of those online sources.

When using academic databases or search engines, you can use Boolean operators to refine your results.

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In academic writing, your sources should be credible, up to date, and relevant to your research topic. Useful approaches to evaluating sources include the CRAAP test and lateral reading.

CRAAP is an abbreviation that reminds you of a set of questions to ask yourself when evaluating information.

• Currency: Does the source reflect recent research?
• Relevance: Is the source related to your research topic?
• Authority: Is it a respected publication? Is the author an expert in their field?
• Accuracy: Does the source support its arguments and conclusions with evidence?
• Purpose: What is the author’s intention?

Lateral reading

Lateral reading means comparing your source to other sources. This allows you to:

• Verify evidence
• Contextualize information
• Find potential weaknesses

If a source is using methods or drawing conclusions that are incompatible with other research in its field, it may not be reliable.

Integrating sources into your work

Once you have found information that you want to include in your paper, signal phrases can help you to introduce it. Here are a few examples:

Following the signal phrase, you can choose to quote, paraphrase or summarize the source.

• Quoting : This means including the exact words of another source in your paper. The quoted text must be enclosed in quotation marks or (for longer quotes) presented as a block quote . Quote a source when the meaning is difficult to convey in different words or when you want to analyze the language itself.
• Paraphrasing : This means putting another person’s ideas into your own words. It allows you to integrate sources more smoothly into your text, maintaining a consistent voice. It also shows that you have understood the meaning of the source.
• Summarizing : This means giving an overview of the essential points of a source. Summaries should be much shorter than the original text. You should describe the key points in your own words and not quote from the original text.

Whenever you quote, paraphrase, or summarize a source, you must include a citation crediting the original author.

Citing your sources is important because it:

• Allows you to avoid plagiarism
• Establishes the credentials of your sources
• Backs up your arguments with evidence
• Allows your reader to verify the legitimacy of your conclusions

The most common citation styles are APA, MLA, and Chicago style. Each citation style has specific rules for formatting citations.

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Scribbr offers tons of tools and resources to make working with sources easier and faster. Take a look at our top picks:

• Citation Generator: Automatically generate accurate references and in-text citations using Scribbr’s APA Citation Generator, MLA Citation Generator , Harvard Referencing Generator , and Chicago Citation Generator .
• Plagiarism Checker : Detect plagiarism in your paper using the most accurate Turnitin-powered plagiarism software available to students.
• AI Proofreader: Upload and improve unlimited documents and earn higher grades on your assignments. Try it for free!
• Paraphrasing tool: Avoid accidental plagiarism and make your text sound better.
• Grammar checker : Eliminate pesky spelling and grammar mistakes.
• Summarizer: Read more in less time. Distill lengthy and complex texts down to their key points.
• AI detector: Find out if your text was written with ChatGPT or any other AI writing tool. ChatGPT 2 & ChatGPT 3 supported.
• Proofreading services : Have a human editor improve your writing.
• Citation checker: Check your work for citation errors and missing citations.
• Knowledge Base : Explore hundreds of articles, bite-sized videos, time-saving templates, and handy checklists that guide you through the process of research, writing, and citation.