Cita APA (7th ed.)

Haass, R. (2009). War of necessity: War of choice. Simon & Schuster.

Cita Chicago (17th ed.)

Haass, Richard. War of Necessity: War of Choice. New York: Simon & Schuster, 2009.

Cita MLA (9th ed.)

Haass, Richard. War of Necessity: War of Choice. Simon & Schuster, 2009.