For those who are confused about the "peer-reviewed" designation, here is a brief summary on the distinction from Cal-Poly's Robert E. Kennedy Library that could be helpful.
Here is a helpful chart and more description, from the University of Maryland
What is APA (American Psychological Association) style? The most common citation style in journals in the social sciences. Here is a helpful resource site from Purdue's Online Writing Lab.
Any specific questions, please let me know. ...