Cita APA

Schultz, D. P., & Schultz, S. E. (2008). A history of modern psychology (Ninth edition.). Thomson Higher Education.

Citación estilo Chicago

Schultz, Duane P., and Sydney Ellen Schultz. A History of Modern Psychology. Ninth edition. Belmont, CA: Thomson Higher Education, 2008.

Cita MLA

Schultz, Duane P., and Sydney Ellen Schultz. A History of Modern Psychology. Ninth edition. Thomson Higher Education, 2008.