Cita APA (7a ed.)

Knight, B. (1986). Psychotherapy with older adults (1. print.). Sage Publ.

Cita Chicago Style (17a ed.)

Knight, Bob. Psychotherapy with Older Adults. 1. print. Beverly Hills, Calif. [u.a.]: Sage Publ, 1986.

Cita MLA (8a ed.)

Knight, Bob. Psychotherapy with Older Adults. 1. print. Sage Publ, 1986.