APA (7th ed.) Citation

Perls, F. S., Hefferline, R. E., & Goodman, P. (1951). Gestalt therapy: Excitement and growth in the human personality. Dell.

Chicago Style (17th ed.) Citation

Perls, Frederick S., Ralph E. Hefferline, and Paul Goodman. Gestalt Therapy: Excitement and Growth in the Human Personality. New York: Dell, 1951.

MLA (9th ed.) Citation

Perls, Frederick S., et al. Gestalt Therapy: Excitement and Growth in the Human Personality. Dell, 1951.