Cita APA (7a ed.)

Proctor, B. (2000). Group supervision: A guide to creative practice. SAGE Publications.

Cita Chicago Style (17a ed.)

Proctor, Brigid. Group Supervision: A Guide to Creative Practice. London ; Thousand Oaks, Calif.: SAGE Publications, 2000.

Cita MLA (9a ed.)

Proctor, Brigid. Group Supervision: A Guide to Creative Practice. SAGE Publications, 2000.