APA (7th ed.) Citation

Bergin, A. E. (1971). Handbook of psychotheraphy and behavior change: An impirical. John Wiley and Sons.

Chicago Style (17th ed.) Citation

Bergin, Allen E. Handbook of Psychotheraphy and Behavior Change: An Impirical. New York: John Wiley and Sons, 1971.

MLA (9th ed.) Citation

Bergin, Allen E. Handbook of Psychotheraphy and Behavior Change: An Impirical. John Wiley and Sons, 1971.