Style de citation APA (7e éd.)

Erwin, K. T. (2013). Group techniques for aging adults: Putting geriatric skills enhancement into practice (Second edition.). Routledge.

Style de citation Chicago (17e éd.)

Erwin, Kathie T. Group Techniques for Aging Adults: Putting Geriatric Skills Enhancement into Practice. Second edition. New York: Routledge, 2013.

Style de citation MLA (8e éd.)

Erwin, Kathie T. Group Techniques for Aging Adults: Putting Geriatric Skills Enhancement into Practice. Second edition. Routledge, 2013.