EasyBib - Automatic bibliography and citation creator
Citation Machine - like EasyBib, creates citations for you
The Style Wizard - Includes APA and MLA citation wizards as well as a useful Validity wizard for checking the validity of an Internet source
Citelighter - allows users to bookmark sections of webpages together with the information needed to create an APA, MLA, or Chicago style bibliography.
BibMe - fully automatic citation maker
Citefast - quick and easy citations