APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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