APA (7th ed.) Citation

Berger, M. L., & Berger, P. J. (1972). Group training techniques. Wiley.

Chicago Style (17th ed.) Citation

Berger, M. L., and Pam J. Berger. Group Training Techniques. New York: Wiley, 1972.

MLA (9th ed.) Citation

Berger, M. L., and Pam J. Berger. Group Training Techniques. Wiley, 1972.