Стиль цитування APA (7-ме видання)

Hart, G. (2004). The fourth power: A grand strategy for the United States in the twenty-first century. Oxford University Press.

Чикаго стиль цитування (17-те видання)

Hart, Gary. The Fourth Power: A Grand Strategy for the United States in the Twenty-first Century. New York: Oxford University Press, 2004.

Стиль цитування MLA (9-ме видання)

Hart, Gary. The Fourth Power: A Grand Strategy for the United States in the Twenty-first Century. Oxford University Press, 2004.