APA (7th ed.) Citation

Glassman, U., & Kates, L. (1990). Group work: A humanistic approach. Sage Publications.

Chicago Style (17th ed.) Citation

Glassman, Urania, and Len Kates. Group Work: A Humanistic Approach. Newbury Park, Calif: Sage Publications, 1990.

MLA (9th ed.) Citation

Glassman, Urania, and Len Kates. Group Work: A Humanistic Approach. Sage Publications, 1990.