Cita APA (7a ed.)

Haley, J. (1978). Problem-solving therapy. Harper & Row.

Cita Chicago Style (17a ed.)

Haley, Jay. Problem-solving Therapy. New York [etc.]: Harper & Row, 1978.

Cita MLA (9a ed.)

Haley, Jay. Problem-solving Therapy. Harper & Row, 1978.