Cita APA (7a ed.)

Lundin, R. W. (1985). Theories and systems of psychology (Third edition.). D.C. Heath and Company.

Cita Chicago Style (17a ed.)

Lundin, Robert W. Theories and Systems of Psychology. Third edition. Lexington, Massachusetts ; Toronto: D.C. Heath and Company, 1985.

Cita MLA (9a ed.)

Lundin, Robert W. Theories and Systems of Psychology. Third edition. D.C. Heath and Company, 1985.