APA Citation

Henley, T. B. Hergenhahn's an introduction to the history of psychology (Eighth edition.).

Chicago Style Citation

Henley, Tracy B. Hergenhahn's an Introduction to the History of Psychology. Eighth edition.

MLA Citation

Henley, Tracy B. Hergenhahn's an Introduction to the History of Psychology. Eighth edition.

Warning: These citations may not always be 100% accurate.