APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Whitaker, Dorothy Stock. Using Groups to Help People. 2nd ed. Hove [England]: Brunner-Routledge, 2001.

MLA (9th ed.) Citation

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