Citazione Stile APA (7a Edizione)

Beitz, C. R. (1999). Political theory and international relations. Princeton University.

Citazione stile Chigago Style (17a edizione)

Beitz, Charles R. Political Theory and International Relations. Princeton: Princeton University, 1999.

Citatione MLA (9a ed.)

Beitz, Charles R. Political Theory and International Relations. Princeton University, 1999.