Cita APA

Bullock, A. (1974). Hitler: A study in tyranny. Penguin Books.

Citación estilo Chicago

Bullock, Alan. Hitler: A Study in Tyranny. Harmondsworth ; Middlesex: Penguin Books, 1974.

Cita MLA

Bullock, Alan. Hitler: A Study in Tyranny. Penguin Books, 1974.