Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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