Citazione Stile APA (7a Edizione)

Willingham, C. (1950). End as a man: By Calder Willingham. Avon.

Citazione stile Chigago Style (17a edizione)

Willingham, Calder. End as a Man: By Calder Willingham. New York: Avon, 1950.

Citatione MLA (8a ed.)

Willingham, Calder. End as a Man: By Calder Willingham. Avon, 1950.