Citing your sources will help you avoid the pitfalls of plagiarism. When writing this paper, complete information must be provided according to APA citation guidelines. The Publication Manual of the American Psychological Association, 7th edition, can easily be found in the "Ready Reference Section" which is located on top of the reference shelves.
Using Noodle Tools is a great way to create your reference page according to APA guidelines.
More APA Style help is available at their website and blog.