Links to help you with citing sources: 

• APA Formatting and Style          http://owl.english.purdue.edu/owl/resource/560/01

• APA Online                               http://www.apastyle.org

   

• MLA Official Page                      http://www.mla.org

   

• Citation Styles Online                 http://www.bedfordstmartins.com/online/citex.html

   

• Dartmouth                                 http://www.dartmouth.edu/~sources/

   

• Duke University                         http://library.duke.edu/research/citing/