APA (7th ed.) Citation

Corey, M. S., Corey, G., & Corey, C. (2010). Groups: Process and practice (8th ed.). Brooks/Cole/Cengage Learning.

Chicago Style (17th ed.) Citation

Corey, Marianne Schneider, Gerald Corey, and Cindy Corey. Groups: Process and Practice. 8th ed. Belmont, Calif: Brooks/Cole/Cengage Learning, 2010.

MLA (9th ed.) Citation

Corey, Marianne Schneider, et al. Groups: Process and Practice. 8th ed. Brooks/Cole/Cengage Learning, 2010.