Cita APA

Posthuma, B. W. (2002). Small groups in counseling and therapy: Process and leadership (4th ed.). Allyn and Bacon.

Citación estilo Chicago

Posthuma, Barbara W. Small Groups in Counseling and Therapy: Process and Leadership. 4th ed. Boston, Mass: Allyn and Bacon, 2002.

Cita MLA

Posthuma, Barbara W. Small Groups in Counseling and Therapy: Process and Leadership. 4th ed. Allyn and Bacon, 2002.