Cita APA (7a ed.)

Bellack, A. S., & Hersen, M. (1984). Research methods in clinical psychology. Pergamon.

Cita Chicago Style (17a ed.)

Bellack, Alan S., y Michel Hersen. Research Methods in Clinical Psychology. New York [etc.]: Pergamon, 1984.

Cita MLA (9a ed.)

Bellack, Alan S., y Michel Hersen. Research Methods in Clinical Psychology. Pergamon, 1984.