APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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