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Overview

You have several options for citing resources in your paper. The citation style usually varies by academic discipline. For example:

- MLA style (Modern Language Association): Humanities 
- APA style (American Psychological Association): Education, Psychology, and Business
- Chicago/Turabian (Professor Turabian, University of Chicago): History and Fine Arts (some)

Check with your teacher to use the style required for your class. Regardless of which one you use, be consistent!

Butler University Libraries. Citation Guides: HomeUsed under CC BY NC SA

There are many reasons why you need to cite your sources:

- You need to tell the reader the original source of your information. This lends authority to your work and lets the instructor know you did your research.
- You want to let your reader identify and retrieve the sources you used for their own use. 
- You need to credit the person whose ideas you have quoted, summarized or paraphrased. Not doing so constitutes plagiarism and is a violation of copyright law.


Remember, it does matter if you paid for the information or not. You must always state where you found it. If someone used your work, you’d want to get credit for it, too!

Butler University Libraries. Citation Guides: HomeUsed under CC BY NC SA

You should cite when:

- Referring to a source and stating someone else's opinions, thoughts, ideas, or research
- Using an image or media file you did not create

When in doubt, cite it


When referring to a source, you have three options:

- Quoting
- Summarizing
- Paraphrasing

Handwritten text that starts with a quotation mark and ends with a parenthetical citation.

"Which option you should choose depends on how much of a source you are using, how you are using it, and what kind of paper you are writing, since different fields use sources in different ways." 
Grounds for Argument. When to Quote, Paraphrase, or Summarize a Source. Used under CC BY NC SA

Image:  
Random quote by Gabriel Jones. Used under CC BY-NC-SA 2.0


You do not need to cite:
- Your thoughts and your interpretations

- Common knowledge​ 

Butler University Libraries. Citation Guides: HomeUsed under CC BY NC SA

Many different tools can assist you when creating a citation entry. However, these tools are not perfect. Common mistakes include:

-  Selecting the wrong type of information source
-  Inputting information incorrectly or leaving information out
-  Misplaced or incorrect punctuation
-  Improper capitalization

Make sure you closely review all citations if you choose to use a generator. You should always refer to your citation style guide to learn how to format your works cited/reference page.

Butler University Libraries. Citation Guides: HomeUsed under CC BY NC SA

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Works cited

General resources
- Modern Language Association
Answers frequently asked questions, including ones about how to cite recent information formats such as tweets and e-books.

Formatting / style
Purdue Online Writing Lab (OWL): General Formatting: Guidelines for headers, first pages, and other format details within MLA style.

In-text citations
Purdue OWL: In-text Citations: Explains the basics of citing within your text. Includes examples for multiple authors and different types of sources.
Purdue OWL: Formatting Quotations: Guidelines for formatting short and long quotations within your text.

Works cited
Purdue OWL: Works Cited Page Basic Format: Explains basic formatting rules for your works cited page. Use the menu on the left of the screen to select the right type of source (Books, Periodicals, Electronic Sources, Other Common Sources) to create a works cited entry. This menu also includes helpful information about creating tables, PowerPoint presentations, and more.
University of Maryland University College: MLA Citation Examples: Works Cited list examples from UMUC.

Butler University Libraries. Citation Guides: MLA StyleUsed under CC BY NC SA

What's the difference?

Turabian is citation style using either footnotes or endnotes.  Think of it as a condensed version of the Chicago stylebook written especially for student writers. Hollins University Writing Center 

Chicago Style Q&A: Easy-to-browse list of Q& As from the Chicago Manual of Style website.
Purdue Online Writing Lab (OWL): General Format for Chicago Style: Guidelines for paper sections, headers, and other format details using the Chicago Manual of Style.
Turabian Formatting - Quick Guide: Concise directions from Liberty University's Writing Program.


Citing sources

Chicago/Turabian Documentation from The Writing Center of UW-Madison: Utilize the menu on the right to select source type.
Ohio State Univesity: Turabian Citation Style Guide: Examples of citations in notes-bibliography and authors-date system using Turabian style. 
Ohio State University - Chicago Manual of Style Author-Date Style Guide: Examples of author-date citations using Chicago Style. 
Ohio State University - Chicago Manual of Style Notes-Bibliography System Style Guide: Examples of notes-bibliography citations using Chicago Style. 

Butler University Libraries. Citation Guides: Chicago/Turabian StyleUsed under CC BY NC SA

NoodleTools is a user-friendly, online research platform that enables students to evaluate information, create citations, take notes, outline, archive source material, and prepare to write. Remember, your citation is only correct if you know what type of source you are citing and how to find all the relevant information. Ask a librarian if you have any questions.

-  NoodleTools

-  NoodleTools Express (no login required, for quick one-time citation needs)

-  NoodleTools Support

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