Cita APA

Corey, M. S., & Corey, G. (2006). Groups: Process and practice (7th ed.). Belmont, CA: Thomson Brooks/Cole.

Chicago Style Citation

Corey, Marianne Schneider, i Gerald Corey. Groups: Process and Practice. 7th ed. Belmont, CA: Thomson Brooks/Cole, 2006.

Cita MLA

Corey, Marianne Schneider, i Gerald Corey. Groups: Process and Practice. 7th ed. Belmont, CA: Thomson Brooks/Cole, 2006.