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MLA Style

MLA Style Center
The MLA Style Center is the only authorized website on MLA style, and it provides free resources on research, writing, and documentation. Some resources you might find useful from the MLA Style Center:

MLA Style Handout
A downloadable guide to MLA style from the Los Rios Librarians. Includes guidelines for in-text citations and Works Cited page, including examples of various print and electronic source types, and MLA paper formatting instructions for Microsoft Word and Google Docs.

MLA Style Online Guide
An online guide to MLA style from the Excelsior Online Writing Lab (OWL). Includes examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page.

APA Style

APA Style from the American Psychological Association
The official website for APA Style, with free resources and instructional aids. On the site you can find useful resources like APA style and grammar guidelines and tutorials and webinars about APA style.

APA Style Handout
A downloadable guide to APA style from the Los Rios Librarians. Includes guidelines for in-text citations and References page, including examples of various print and electronic source types, and APA paper formatting instructions for Microsoft Word and Google Docs.

APA Style Online Guide
An online guide to APA style from the Excelsior Online Writing Lab (OWL). Includes examples for the general format of APA research papers, in-text citations, endnotes/footnotes, and the References page.

Chicago Style

Chicago Style Online Guide
An online guide to Chicago style from the Excelsior Online Writing Lab (OWL). Includes examples for the general format of Chicago Manual of Style research papers, in-text citations, endnotes/footnotes, and the Bibliography page.

NLM Style

Citing Medicine, 2nd Edition (National Library of Medicine)
The official style guide from the National Library of Medicine, available as an ebook. Includes guidelines for in-text citations and lists of references, including print and online books and journals. For a quicker reference guide to the most frequently used types of sources, see NLM's Samples of Formatted References.