Cita APA (7th ed.)

Ferguson, N. (2004). Colossus: The price of America's empire. Penguin Press.

Cita Chicago (17th ed.)

Ferguson, Niall. Colossus: The Price of America's Empire. New York: Penguin Press, 2004.

Cita MLA (9th ed.)

Ferguson, Niall. Colossus: The Price of America's Empire. Penguin Press, 2004.