APA (7th ed.) Citation

Corey, M. S., & Corey, G. (1998). Becoming a helper (3rd ed.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. 3rd ed. Pacific Grove, CA: Brooks/Cole, 1998.

MLA (9th ed.) Citation

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. 3rd ed. Brooks/Cole, 1998.