APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Kahn, Theodore Charles, James T. Cameron, and Martin B. Giffen. Methods and Evaluation in Clinical and Counseling Psychology,. New York,: Pergamon Press, 1975.

MLA (8th ed.) Citation

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