APA (7th ed.) Citation

Shaffer, J. B. P., & Galinsky, M. D. (1989). Models of group therapy. Prentice Hall.

Chicago Style (17th ed.) Citation

Shaffer, John B. P., and M. David Galinsky. Models of Group Therapy. Englewood Cliffs, NJ: Prentice Hall, 1989.

MLA (9th ed.) Citation

Shaffer, John B. P., and M. David Galinsky. Models of Group Therapy. Prentice Hall, 1989.