APA (7th ed.) Citation

Allison, G. T., & Zelikow, P. (1999). Essence of decision: Explaining the Cuban Missile Crisis (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Allison, Graham T., and Philip Zelikow. Essence of Decision: Explaining the Cuban Missile Crisis. 2nd ed. New York: Longman, 1999.

MLA (8th ed.) Citation

Allison, Graham T., and Philip Zelikow. Essence of Decision: Explaining the Cuban Missile Crisis. 2nd ed. Longman, 1999.