Style de citation APA (7e éd.)

Poindexter, C. C., & Valentine, D. P. (2007). An introduction to human services: Values, methods and populations served (2nd ed.). Thomson Learning.

Style de citation Chicago (17e éd.)

Poindexter, Cynthia Cannon, et Deborah P. Valentine. An Introduction to Human Services: Values, Methods and Populations Served. 2nd ed. Belmont, CA: Thomson Learning, 2007.

Style de citation MLA (8e éd.)

Poindexter, Cynthia Cannon, et Deborah P. Valentine. An Introduction to Human Services: Values, Methods and Populations Served. 2nd ed. Thomson Learning, 2007.