APA

Bagby W. M., Wesley Marvin Bagby, .America's international relations since World War I. New York: .

Chicago

Bagby Wesley Marvin, Wesley Marvin Bagby, .America's international relations since World War I. New York: .

Harvard

Bagby W. M., Wesley Marvin Bagby, .America's international relations since World War I. New York: .

MLA

Bagby Wesley Marvin, Wesley Marvin Bagby, .New York: . .