Cita APA (7a ed.)

Sjödén, P. (1979). Trends in behavior therapy. Acad. Press.

Cita Chicago Style (17a ed.)

Sjödén, Per-Olow. Trends in Behavior Therapy. New York [u.a.]: Acad. Press, 1979.

Cita MLA (8a ed.)

Sjödén, Per-Olow. Trends in Behavior Therapy. Acad. Press, 1979.