Cita APA (7th ed.)

Harbutt, F. J. (1986). The iron curtain: Churchill, America, and the origins of the cold war. Oxford University Press.

Cita Chicago (17th ed.)

Harbutt, Fraser J. The Iron Curtain: Churchill, America, and the Origins of the Cold War. New York ; Oxford: Oxford University Press, 1986.

Cita MLA (9th ed.)

Harbutt, Fraser J. The Iron Curtain: Churchill, America, and the Origins of the Cold War. Oxford University Press, 1986.