Cita APA (7a ed.)

Whitaker, D. S. (2001). Using groups to help people (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Whitaker, Dorothy Stock. Using Groups to Help People. 2nd ed. Hove: Routledge, 2001.

Cita MLA (9a ed.)

Whitaker, Dorothy Stock. Using Groups to Help People. 2nd ed. Routledge, 2001.