Cita APA (7th ed.)

Kahn, H. (1962). Thinking about the unthinkable. Weidenfeld and Nicolson.

Cita Chicago (17th ed.)

Kahn, Herman. Thinking About the Unthinkable. London: Weidenfeld and Nicolson, 1962.

Cita MLA (8th ed.)

Kahn, Herman. Thinking About the Unthinkable. Weidenfeld and Nicolson, 1962.

Atenció: Aquestes cites poden no estar 100% correctes.