From Purdue's Online Writing Lab.
"covers a variety of topics from manuscript preparation and publication to grammar, usage, and documentation and has been lovingly called the “editors’ bible.”
Focuses primarily on one of the two CMS documentation styles: the Notes-Bibliography System (NB), which is used by those in literature, history, and the arts. The other documentation style, the Author-Date System, is nearly identical in content but slightly different in form..."

"APA (American Psychological Association) is most commonly used to cite sources within the social sciences. This resource, revised according to the 6th edition, second printing of the APA manual, offers examples for the general format of APA research papers, in-text citations, endnotes/footnotes, and the reference page. (from their web site)

From Research and Documentation Online, 5th Edition.
Use the navigation buttons on the left. Allows you to click to examples of in-text citations, list of works cited, notes, and manuscript format.

"MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities. This resource, updated to reflect the MLA Handbook for Writers of Research Papers (7th ed.) and the MLA Style Manual and Guide to Scholarly Publishing (3rd ed.), offers examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page." (from their web site)

Lots of information on using these powerful citation tools.

IMPORTANT NOTES:
WSU has a license for the citation software program, Endnote. WSU students and faculty can download the program for free.

Zotero is a free extension of the Firefox browser.