Cita APA (7th ed.)
Chaplin, J., & Krawiec, T. (1960). Systems and theories of psychology. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)
Chaplin, J.P, i T.S Krawiec. Systems and Theories of Psychology. New York: Holt, Rinehart and Winston, 1960.
Cita MLA (9th ed.)
Chaplin, J.P, i T.S Krawiec. Systems and Theories of Psychology. Holt, Rinehart and Winston, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.