Cita APA (7a ed.)

Schulman, E. D. (1991). Intervention in human services: A guide to skills and knowledge (4th ed.). Macmillan Publishing Company.

Cita Chicago Style (17a ed.)

Schulman, Eveline D. Intervention in Human Services: A Guide to Skills and Knowledge. 4th ed. New York: Macmillan Publishing Company, 1991.

Cita MLA (9a ed.)

Schulman, Eveline D. Intervention in Human Services: A Guide to Skills and Knowledge. 4th ed. Macmillan Publishing Company, 1991.