Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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