Polmar, N., & Gresham, J. (2006). Defcon-2: Standing on the brink of nuclear war during the Cuban missile crisis. Wiley.

Polmar, Norman, and John Gresham. Defcon-2: Standing on the Brink of Nuclear War During the Cuban Missile Crisis. Hoboken, N.J.: Wiley, 2006.

Polmar, Norman, and John Gresham. Defcon-2: Standing on the Brink of Nuclear War During the Cuban Missile Crisis. Wiley, 2006.