Schultz, D. P., & Schultz, S. E. (2008). A history of modern psychology (Ninth edition.). Thomson Wadsworth.
Cita Chicago Style (17a ed.)Schultz, Duane P., y Sydney Ellen Schultz. A History of Modern Psychology. Ninth edition. Belmont, CA: Thomson Wadsworth, 2008.
Cita MLA (9a ed.)Schultz, Duane P., y Sydney Ellen Schultz. A History of Modern Psychology. Ninth edition. Thomson Wadsworth, 2008.
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