Citazione Stile APA (7a Edizione)

Curtis, M. (1981). The Great political theories (New, expanded edition.). Avon Books.

Citazione stile Chigago Style (17a edizione)

Curtis, Michael. The Great Political Theories. New, expanded edition. New York: Avon Books, 1981.

Citatione MLA (9a ed.)

Curtis, Michael. The Great Political Theories. New, expanded edition. Avon Books, 1981.