Cita APA (7a ed.)

HERSEN, M., & EISLER, R. M. (1987). Progress in behavior modification vol. 21. Sage.

Cita Chicago Style (17a ed.)

HERSEN, Michel, y Richard M. EISLER. Progress in Behavior Modification Vol. 21. Newbury Park: Sage, 1987.

Cita MLA (9a ed.)

HERSEN, Michel, y Richard M. EISLER. Progress in Behavior Modification Vol. 21. Sage, 1987.