Cita APA (7a ed.)

Whitaker, D. S. (2000). Using groups to help people (2nd ed.). Brunner-Routledge.

Cita Chicago Style (17a ed.)

Whitaker, Dorothy Stock. Using Groups to Help People. 2nd ed. Hove [etc.]: Brunner-Routledge, 2000.

Cita MLA (9a ed.)

Whitaker, Dorothy Stock. Using Groups to Help People. 2nd ed. Brunner-Routledge, 2000.