APA引文

Corey, M. S., & Corey, G. (1993). Becoming a helper (2nd ed.). Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. 2nd ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1993.

MLA引文

Corey, Marianne Schneider, and Gerald Corey. Becoming a Helper. 2nd ed. Brooks/Cole Pub. Co., 1993.