Citazione Stile APA (7a Edizione)

Williams, W. (1925). Mainsprings of men. C. Scribner's Sons.

Citazione stile Chigago Style (17a edizione)

Williams, Whiting. Mainsprings of Men. New York: C. Scribner's Sons, 1925.

Citatione MLA (9a ed.)

Williams, Whiting. Mainsprings of Men. C. Scribner's Sons, 1925.