Cita APA (7a ed.)

Karel, M. J., & Hinrichsen, G. (2000). Treatment of depression in late life: Psychotherapeutic interventions. [s.n.].

Cita Chicago Style (17a ed.)

Karel, Michele J., y Gregory Hinrichsen. Treatment of Depression in Late Life: Psychotherapeutic Interventions. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Karel, Michele J., y Gregory Hinrichsen. Treatment of Depression in Late Life: Psychotherapeutic Interventions. [s.n.], 2000.