Gaya APA

Hergenhahn, B, R., Henley, T, B. (2014). An Introduction to the History of Psychology 7'th Ed. (7). USA: Wadsworth Cengage Learning.

Gaya MLA

Hergenhahn, B., R.., Henley, Tracy, B.. "An Introduction to the History of Psychology 7'th Ed.". 7 USA: Wadsworth Cengage Learning, 2014. Text.