Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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