Cita APA (7a ed.)

Gaddis, J. L. (2011). George F. Kennan: An American life. Penguin Press.

Cita Chicago Style (17a ed.)

Gaddis, John Lewis. George F. Kennan: An American Life. New York: Penguin Press, 2011.

Cita MLA (9a ed.)

Gaddis, John Lewis. George F. Kennan: An American Life. Penguin Press, 2011.