Cita APA

Friedmann,W. (1965). An introduction to world politics (5th ed.). Macmillan.

Citación estilo Chicago

Friedmann,W. An Introduction to World Politics. 5th ed. London: Macmillan, 1965.

Cita MLA

Friedmann,W. An Introduction to World Politics. 5th ed. Macmillan, 1965.