These 4 links will help you with APA bibiography format.
Purdue University Writing lab http://owl.english.purdue.edu/owl/resource/560/01/
American Psychological Association Tutorial Page http://apastyle.apa.org/learn/tutorials/basics-tutorial.aspx
Works Cited Page painlessly www.noodletools.com
FHS library http://teacherweb.com/TX/FriendswoodHighSchool/LIBRARY/links3.stm