Cita APA (7a ed.)

Qualls, S. H., & Knight, B. G. (2006). Psychotherapy for depression in older adults. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Qualls, Sarah Honn, y Bob G. Knight. Psychotherapy for Depression in Older Adults. Hoboken, New Jersey: John Wiley & Sons, 2006.

Cita MLA (9a ed.)

Qualls, Sarah Honn, y Bob G. Knight. Psychotherapy for Depression in Older Adults. John Wiley & Sons, 2006.