Citazione Stile APA (7a Edizione)

Leopold, J. A. (1977). Alfred Hugenberg: The radical nationalist campaign against the Weimar Republic. Yale University Press.

Citazione stile Chigago Style (17a edizione)

Leopold, John A. Alfred Hugenberg: The Radical Nationalist Campaign Against the Weimar Republic. New Haven: Yale University Press, 1977.

Citatione MLA (8a ed.)

Leopold, John A. Alfred Hugenberg: The Radical Nationalist Campaign Against the Weimar Republic. Yale University Press, 1977.