EasyBib-provides free and premium citation generation and management services in the latest editions of MLA, APA, and Chicago styles. http://www.easybib.com/  If you would like to use the Premium Service, click on "REGISTER" and input your GOOGLE LOG-IN for access.

Noodletools.com- the Web's most comprehensive and accurate MLA, APA and Chicago/Turbian bibliography composer with a note-taking feature to help organize your research. http://www.noodletools.com/login.php?group=8288&code=7592

 Son of Citation Machine – forms available to cite sources in MLA, APA, and CHICAGO formats.  http://www.citationmachine.net

 Research & Citing Sources:  from Duke University.  http://www.lib.duke.edu/libguide/citing.htm