APA (7th ed.) Citation

Garfield, S. L. (1989). The practice of brief psychotherapy. Pergamon Press.

Chicago Style (17th ed.) Citation

Garfield, Sol L. The Practice of Brief Psychotherapy. New York: Pergamon Press, 1989.

MLA (9th ed.) Citation

Garfield, Sol L. The Practice of Brief Psychotherapy. Pergamon Press, 1989.