Ferguson, N. (2005). Colossus: The rise and fall of the American empire. Penguin Books.
芝加哥风格引文Ferguson, Niall. Colossus: The Rise and Fall of the American Empire. New York: Penguin Books, 2005.
MLA引文Ferguson, Niall. Colossus: The Rise and Fall of the American Empire. Penguin Books, 2005.
警告：这些引文格式不一定是100％准确.