APA (7th ed.) Citation

Gurman, A. S., & Razin, A. M. (1977). Effective psychotherapy: A handbook of research. Pergamon Press.

Chicago Style (17th ed.) Citation

Gurman, Alan S., and Andrew M. Razin. Effective Psychotherapy: A Handbook of Research. Oxford ; New York: Pergamon Press, 1977.

MLA (8th ed.) Citation

Gurman, Alan S., and Andrew M. Razin. Effective Psychotherapy: A Handbook of Research. Pergamon Press, 1977.