APA (7th ed.) Citation

Conquest, R. (1973). The great terror: Stalin's purge of the thirties (Revised edition.). Collier Books.

Chicago Style (17th ed.) Citation

Conquest, Robert. The Great Terror: Stalin's Purge of the Thirties. Revised edition. New York, NY: Collier Books, 1973.

MLA (9th ed.) Citation

Conquest, Robert. The Great Terror: Stalin's Purge of the Thirties. Revised edition. Collier Books, 1973.