You may notice that you can tell if the citation is for a book or an article by what a citation has or does not have. If the citation is for an article, it will not have a city listed like the book title does. It will also not have a publisher listed. But, it will definitely have page numbers and a journal title.
A book citation will not have volume or issue number listed. It also will not have page numbers listed.
Article from a journal:
Wright, C.V., Perez, S., Johnson, D.M.(2010). The mediating role of empowerment for African American women experiencing intimate partner violence.Psychological Trauma: Theory, Research, Practice, and Policy, 2(4), 266-272.
Shushkewich, V.(2003). The Real Winnie : A One-of-a-kind Bear.Toronto: Natural Heritage Books.
Chapter from an eBook:
Klimoski, R. J. (2000). Industrial and organizational psychology: Assessments and interventions. InA. E. Kazdin, A. E. Kazdin(Eds.) , Encyclopedia of psychology, Vol. 4(pp. 258-263). Washington, DC, US; New York, NY, US: American Psychological Association.