APA (7th ed.) Citation

Posthuma, B. W.. (1986). Small groups in therapy settings: Process and leadership. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Posthuma, Barbara W. Small Groups in Therapy Settings: Process and Leadership. Boston, Mass.: Allyn and Bacon, 1986.

MLA (9th ed.) Citation

Posthuma, Barbara W. Small Groups in Therapy Settings: Process and Leadership. Allyn and Bacon, 1986.