APA (7th ed.) Citation

Longerich, P., Noakes, J., & Sharpe, L. (2019). Hitler: A biography. Oxford University Press.

Chicago Style (17th ed.) Citation

Longerich, Peter, Jeremy Noakes, and Lesley Sharpe. Hitler: A Biography. New York: Oxford University Press, 2019.

MLA (9th ed.) Citation

Longerich, Peter, et al. Hitler: A Biography. Oxford University Press, 2019.