APA (7th ed.) Citation

Overy, R. (2005). The dictators: Hitler's Germany and Stalin's Russia. Penguin Books.

Chicago Style (17th ed.) Citation

Overy, Richard. The Dictators: Hitler's Germany and Stalin's Russia. London: Penguin Books, 2005.

MLA (9th ed.) Citation

Overy, Richard. The Dictators: Hitler's Germany and Stalin's Russia. Penguin Books, 2005.

Warning: These citations may not always be 100% accurate.