Cita APA

Schram, B., & Mandell, B. R. (1997). An introduction to human services: Policy and practice (3rd ed.). Allyn and Bacon.

Citación estilo Chicago

Schram, Barbara, and Betty Reid Mandell. An Introduction to Human Services: Policy and Practice. 3rd ed. Boston: Allyn and Bacon, 1997.

Cita MLA

Schram, Barbara, and Betty Reid Mandell. An Introduction to Human Services: Policy and Practice. 3rd ed. Allyn and Bacon, 1997.