Cita APA (7a ed.)

Chaplin, J. P., & Krawiec, T. S. (1979). Systems and theories of psychology (4th ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Chaplin, James Patrick, y T. S. Krawiec. Systems and Theories of Psychology. 4th ed. New York [etc.]: Holt, Rinehart and Winston, 1979.

Cita MLA (9a ed.)

Chaplin, James Patrick, y T. S. Krawiec. Systems and Theories of Psychology. 4th ed. Holt, Rinehart and Winston, 1979.