Bedford-St. Martins has a guide to Online Citations and a section about the importance of Re-Writing!

MLA (Modern Language Association) Style Guide assistance is available at:

• The University of Southern Mississippi Library
• Cornell University
• Ohio State University
• California State University Los Angeles
• Some rather nifty freeware that formats for you

Mark Plonsky of the University of Wisconsin guides us through the APA (American Psychological Association) Style Guide, and also provides us with a "checklist" version.

The University of Southern Mississippi Library and California State University Los Angeles also have some APA assistance.

More about the APA Manual and the MLA Manual is available from the always excellent OWL.

Some quick examples of MLA citation styles (from the MLA Handbook for Writers of Research Papers, 6th edition)