Cita APA (7a ed.)

Kahn, T. C., Cameron, J. T., & Giffen, M. B. (1975). Methods and evaluation in clinical and counseling psychology. Pergamon general psychology series.

Cita Chicago Style (17a ed.)

Kahn, Theodore Charles, James T. Cameron, y Martin B. Giffen. "Methods and Evaluation in Clinical and Counseling Psychology." Pergamon General Psychology Series 1975.

Cita MLA (8a ed.)

Kahn, Theodore Charles, et al. "Methods and Evaluation in Clinical and Counseling Psychology." Pergamon General Psychology Series, 1975.