APA (7th ed.) Citation

Cooper, R. W. (1947). The Nuremberg trial. Penguin Books.

Chicago Style (17th ed.) Citation

Cooper, Robert W. The Nuremberg Trial. Harmondsworth, Eng. ; New York: Penguin Books, 1947.

MLA (9th ed.) Citation

Cooper, Robert W. The Nuremberg Trial. Penguin Books, 1947.