APA (7th ed.) Citation

Corey, M. S., & Corey, G. (2011). Becoming a helper (Sixth edition.). Brooks/Cole, Cengage Learning.

Chicago Style (17th ed.) Citation

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. Sixth edition. Belmont, California: Brooks/Cole, Cengage Learning, 2011.

MLA (9th ed.) Citation

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. Sixth edition. Brooks/Cole, Cengage Learning, 2011.