Παραπομπή APA

James, W. (1950). The principles of psychology (Authorized ed., unabridged.). Dover Publications.

Παραπομπή Chicago Style

James, William. The Principles of Psychology. Authorized ed., unabridged. [New York]: Dover Publications, 1950.

Παραπομπή MLA

James, William. The Principles of Psychology. Authorized ed., unabridged. Dover Publications, 1950.