Cita APA (7a ed.)

Ba, G. (1991). Group therapy with elderly patients. [s.n.].

Cita Chicago Style (17a ed.)

Ba, Gabriella. Group Therapy with Elderly Patients. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Ba, Gabriella. Group Therapy with Elderly Patients. [s.n.], 1991.

Precaución: Estas citas no son 100% exactas.