Gaya APA

Allison, G, T., Zelikow, P. (1999). Essence of Decision: Explaining the Cuban Missile Crisis (Second Edition). New York: Longman.

Gaya MLA

Allison, Graham, T.., Zelikow, Philip. "Essence of Decision: Explaining the Cuban Missile Crisis". Second Edition New York: Longman, 1999. Art Original.