The "Publication Manual of the American Psychological Association" should be the first source to consult when you have APA-related questions.
APA Style Blog - This Q&A blog may provide helpful tips.
You can view a tutorial on the basics of the APA style by American Psychological Association.
The Writing Center at Purdue University Hammond provides a wide range of services, including APA help. You can reach the Writing Center by phone at (219) 989-2200 or send an email to the writing center. Learn more about the Writing Center.