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Citation Styles

Guide to creating citations correctly and avoiding plagiarism.

AMA Citation Style

AMA Citation Style refers to the citation and manual of style from the American Medical Association. This style is commonly used in health and medical journals.

Here are some AMA style guides that provide reference examples: 

University of Mississippi Medical Center AMA Citation Style guide

University of Southern California AMA Citation Style Guide


APSA style is published by the American Political Science Association and is used in political science. The latest, revised 2018 edition of the style manual is primarily based on the seventeenth edition of Chicago style. Of the two citation methods used in Chicago style, the APSA employs the Author-Date format.

Resources from the APSA

A guide to APSA style from its editors featuring resources on formatting, citation and references

Direct link to a pdf of the full, revised 2018 edition 

Resources from Cal State East Bay

Cal State East Bay's APSA Style and Formatting Guide



The American Sociological Association governs ASA style, which is used in the field of Sociology. ASA style is currently in its sixth edition, which was published in 2019.

ASA style resources

Purdue University's Online Writing Lab (OWL) is the premiere online guide to citation. Here you will find resources for in-text citation and reference list formatting in ASA style.

Cal State University Channel Islands created this useful pdf guide to writing and citing in ASA Style

Legal Citation

The most common legal citation style guide is The Bluebook: A Uniform System of Citation, published by the Harvard Law Review Association, the Columbia Law Review, the University of Pennsylvania Law Review, and the Yale Law Journal. The twentieth edition of The Bluebook was published in 2015.

Legal Citation Resources

This free alternative to The Bluebook legal citation guide, formerly called “Baby Blue,” is available online without charge in PDF or HTML.

 An introduction to legal citation hosted by Cornell University Law School

Purdue University's Online Writing Lab (OWL) is the premiere online guide to citation. Here you will find resources for in-text citations in Bluebook style.

Citing Legal Materials in APA Style

A guide from the University Library at Stanislaus State on how to format in-text citations and reference list entries for legal materials in APA style