APA (7th ed.) Citation

Ikenberry, G. J. (2009). The Crisis of American Foreign Policy: Wilsonianism in the Twenty-first Century. Princeton University Press.

Chicago Style (17th ed.) Citation

Ikenberry, G. John. The Crisis of American Foreign Policy: Wilsonianism in the Twenty-first Century. Princeton, NJ: Princeton University Press, 2009.

MLA (8th ed.) Citation

Ikenberry, G. John. The Crisis of American Foreign Policy: Wilsonianism in the Twenty-first Century. Princeton University Press, 2009.