APA (7th ed.) Citation

Corey, G., Corey, M. S., Callanan, P., & Russell, J. M. (2015). Group techniques (Fourth edition.). Brooks/Cole, Cengage Learning.

Chicago Style (17th ed.) Citation

Corey, Gerald, Marianne Schneider Corey, Patrick Callanan, and J. Michael Russell. Group Techniques. Fourth edition. Stamford, CT, USA: Brooks/Cole, Cengage Learning, 2015.

MLA (9th ed.) Citation

Corey, Gerald, et al. Group Techniques. Fourth edition. Brooks/Cole, Cengage Learning, 2015.