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

MLS (Modern Language Association)  Recommended for English and Social Studies Courses * MLA - quick Style Guide (University of Southern Mississippi)  http://www.lib.usm.edu/help/style_guides/mla.html

Modern Languages Association (MLA) (Writers' Workshop,  University of Illinois at Urbana-Champaign, click on "Bibliography Styles")  This is the best for internet research.  http://door.library.uiuc.edu/rex/instruction/Internet/internetresearch.htm

APA (American Psychological Association) Recommended for Science Classes, as well as for Psychology courses*  APA Style Guide (University of Southern Mississippi)  http://www.lib.usm.edu/help/style_guides/apa.html