APA (7th ed.) Citation

Zalba, S. R., & Schwartz, W. (1971). The practice of group work. Council on Social Work Education.

Chicago Style (17th ed.) Citation

Zalba, Serapio R., and William Schwartz. The Practice of Group Work. New York: Council on Social Work Education, 1971.

MLA (9th ed.) Citation

Zalba, Serapio R., and William Schwartz. The Practice of Group Work. Council on Social Work Education, 1971.