The Girard School and most social science courses use the APA style for citing sources, from the American Psychology Association. Choose the most recent 6th edition when given a choice using library databases or citation tools.
If consulting the first printing of the 6th edition, click HERE to download a .pdf with corrections to the guide.
Below are sources with tips for citing sources in APA style. See McQuade's "How to Cite Sources" for more citation tools.