APA aipamena

Corey, M. S., Corey, G., & Corey, C. (2018). Groups: Process and practice (Tenth edition.). Cengage Learning.

Chicago Style aipamena

Corey, Marianne Schneider, Gerald Corey, and Cindy Corey. Groups: Process and Practice. Tenth edition. Boston, MA, USA: Cengage Learning, 2018.

MLA aipamena

Corey, Marianne Schneider, et al. Groups: Process and Practice. Tenth edition. Cengage Learning, 2018.