APA (7th ed.) Citation
Henley, T. B., & Hergenhahn, B. R. (2019). Hergenhahn's an introduction to the history of psychology (Eighth edition.). Cengage.
Chicago Style (17th ed.) Citation
Henley, Tracy B., and B. R. Hergenhahn. Hergenhahn's an Introduction to the History of Psychology. Eighth edition. Australia: Cengage, 2019.
MLA (9th ed.) Citation
Henley, Tracy B., and B. R. Hergenhahn. Hergenhahn's an Introduction to the History of Psychology. Eighth edition. Cengage, 2019.
Warning: These citations may not always be 100% accurate.