APA (7th ed.) Citation

Kahn. Thinking about the unthinkable. Horizon Press 1962.

Chicago Style (17th ed.) Citation

Kahn. Thinking About the Unthinkable. New York: Horizon Press 1962.

MLA (8th ed.) Citation

Kahn. Thinking About the Unthinkable. Horizon Press 1962.

Warning: These citations may not always be 100% accurate.