Citazione Stile APA (7a Edizione)

James, W. (1994). The principles of psychology (2nd ed., 5th printing.). Encyclopaedia Britannica.

Citazione stile Chigago Style (17a edizione)

James, William. The Principles of Psychology. 2nd ed., 5th printing. Chicago, Ill [etc.]: Encyclopaedia Britannica, 1994.

Citatione MLA (9a ed.)

James, William. The Principles of Psychology. 2nd ed., 5th printing. Encyclopaedia Britannica, 1994.