Citazione Stile APA (7a Edizione)

De Grazia, A., & Stevenzon, T. H. 1. .. (1966). World politics: A study in international relations (2nd ed.). Barnes and Noble.

Citazione stile Chigago Style (17a edizione)

De Grazia, Alfred, e Thomas Hulbert 1919- Stevenzon. World Politics: A Study in International Relations. 2nd ed. New York: Barnes and Noble, 1966.

Citatione MLA (9a ed.)

De Grazia, Alfred, e Thomas Hulbert 1919- Stevenzon. World Politics: A Study in International Relations. 2nd ed. Barnes and Noble, 1966.