APA (7th ed.) Citation

Corey, G., Corey, G., Corey, M. S., Callanan, P. J., & Russell, J. M. (1982). Group techniques. Brooks/Cole Publisher.

Chicago Style (17th ed.) Citation

Corey, Gerald, Gerald Corey, Marianne Schneider Corey, Patrick J. Callanan, and J. Michael Russell. Group Techniques. Monterey, California: Brooks/Cole Publisher, 1982.

MLA (9th ed.) Citation

Corey, Gerald, et al. Group Techniques. Brooks/Cole Publisher, 1982.