APA (7th ed.) Citation

Conquest, R. (1968). The great terror: Stalin's purge of the thirties. Macmillan.

Chicago Style (17th ed.) Citation

Conquest, Robert. The Great Terror: Stalin's Purge of the Thirties. London: Macmillan, 1968.

MLA (8th ed.) Citation

Conquest, Robert. The Great Terror: Stalin's Purge of the Thirties. Macmillan, 1968.