Gaya APA

Schultz, D, P., Schultz, S, E. (2011). A History of Modern Psychology (10th Edition). United States of America: Cengage Learning..

Gaya MLA

Schultz, Duane, P.., Schultz, Sydney, Ellen. "A History of Modern Psychology". 10th Edition United States of America: Cengage Learning., 2011. Text.