Cita APA (7th ed.)

Ferguson, N. (2005). Colossus: The rise and fall of the American empire. London: Penguin Books.

Cita Chicago (17th ed.)

Ferguson, Niall. Colossus: The Rise and Fall of the American Empire. London: Penguin Books, 2005.

Cita MLA (8th ed.)

Ferguson, Niall. Colossus: The Rise and Fall of the American Empire. London: Penguin Books, 2005.