APA (7th ed.) Citation

Conquest, R. (1990). The great terror: A reassessment. Oxford University Press.

Chicago Style (17th ed.) Citation

Conquest, Robert. The Great Terror: A Reassessment. New York: Oxford University Press, 1990.

MLA (9th ed.) Citation

Conquest, Robert. The Great Terror: A Reassessment. Oxford University Press, 1990.