APA

Seyom Brown, Seyom Brown, .The causes and prevention of war. New York: .

Chicago

Seyom Brown, Seyom Brown, .The causes and prevention of war. New York: .

Harvard

Seyom Brown, Seyom Brown, .The causes and prevention of war. New York: .

MLA

Seyom Brown, Seyom Brown, .New York: . .