Citazione Stile APA (7a Edizione)

Winkler, J. K. (1948). The Du Pont dynasty. Doubleday for Spear & Staff.

Citazione stile Chigago Style (17a edizione)

Winkler, John Kennedy. The Du Pont Dynasty. New York: Doubleday for Spear & Staff, 1948.

Citatione MLA (8a ed.)

Winkler, John Kennedy. The Du Pont Dynasty. Doubleday for Spear & Staff, 1948.