Gaya APA

Hergenhahn, B, R., Henley, T, B. (2014). An Introduction To The History Of Psychology (7th Edition). United States of America: Wadsworth Cengage Learning.

Gaya MLA

Hergenhahn, B., R.., Henley, Tracy, B.. "An Introduction To The History Of Psychology". 7th Edition United States of America: Wadsworth Cengage Learning, 2014. Text.