APA

Allison G., .Essence of Decision:Explaining the Cuban Missile Crisis. New York: longman.

Chicago

Allison Graham, .Essence of Decision:Explaining the Cuban Missile Crisis. New York: longman.

Harvard

Allison G., .Essence of Decision:Explaining the Cuban Missile Crisis. New York: longman.

MLA

Allison Graham, .New York: longman. .