Created by Purdue University, the OWL (Online Writing Resource) is the premier source for information on all types of writing. It also contains comprehensive information on MLA and APA citation. Check out the MLA and APA guides under Suggested Resources.
MLA Citation Guide, Columbia College, Vancouver Canada
Columbia College has an excellent guide including citation formats for a wide variety of items . Also included is an in-depth explanation of how to write an annotated bibliography. This guide is based on the 9th ed. of MLA
The MLA Style Center, published by the Modern Language Association, is the official web site for MLA citation.
APA Citation Guide, Columbia College, Vancouver Canada
A similar guide from Columbia College covering APA citation, based on the 7th ed. of APA
APA Style Tutorials and Webinars
Tutorials and webinars from the American Psychological Association, 7th ed. guide to help master APA citation.