Cita APA (7a ed.)

De Shazer, S. (1985). Keys to solution in brief therapy. W.W. Norton.

Cita Chicago Style (17a ed.)

De Shazer, Steve. Keys to Solution in Brief Therapy. New York [etc.]: W.W. Norton, 1985.

Cita MLA (9a ed.)

De Shazer, Steve. Keys to Solution in Brief Therapy. W.W. Norton, 1985.