4 great online citation tools for students (for MLA, APA, or Chicago Manual of Style citation styles) — from emergingtech.com by K. Walsh

Excerpt:

KnightCite is maintained by the Hekman Library at Calvin College, Michigan. The service was created in 2004 and is available to members within and outside of the Calvin community. It generates bibliographic citations for MLA, APA and the Chicago Manual of Style, and it cites a variety of materials ranging from sacred texts to cartoons.