The following sites offer information on citing resources:
APA Formatting and Style Guide from Purdue-Owl
Learning APA format , 6th edition, video from Alexander Street Press - AVON
Queens College Library guides to citation sources :
Citation Style Manuals and Citations and Bibliographies
APA Style Resources (listed in this guide)
QC Center for Teaching and Learning - information on fair use and copyright from QC's Center for Teaching and Learning