Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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