Gaya APA

Chaplin, J, P., Krawiec, T. (1974). Systems and Theories of Psychology (Third Edition). New York: Holt, Rinehart and Winston.

Gaya MLA

Chaplin, James, P.., Krawiec, T.S.. "Systems and Theories of Psychology". Third Edition New York: Holt, Rinehart and Winston, 1974. Art Original.