APA (7th ed.) Citation

Gellately, R. (2007). Lenin, Stalin, and Hitler: The age of social catastrophe. Knopf.

Chicago Style (17th ed.) Citation

Gellately, Robert. Lenin, Stalin, and Hitler: The Age of Social Catastrophe. New York: Knopf, 2007.

MLA (8th ed.) Citation

Gellately, Robert. Lenin, Stalin, and Hitler: The Age of Social Catastrophe. Knopf, 2007.

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