APA (7th ed.) Citation

Hergenhahn, B. (1986). An introduction to the history of psychology. Wadsworth.

Chicago Style (17th ed.) Citation

Hergenhahn, B.R. An Introduction to the History of Psychology. California: Wadsworth, 1986.

MLA (9th ed.) Citation

Hergenhahn, B.R. An Introduction to the History of Psychology. Wadsworth, 1986.