Cita APA (7a ed.)

Schaefer, H. H., & Martin, P. L. (1969). Behavioral therapy. McGraw-Hill.

Cita Chicago Style (17a ed.)

Schaefer, Halmuth H., y Patrick L. Martin. Behavioral Therapy. New York [etc.]: McGraw-Hill, 1969.

Cita MLA (9a ed.)

Schaefer, Halmuth H., y Patrick L. Martin. Behavioral Therapy. McGraw-Hill, 1969.