Cita APA

Khlevniuk, O., & Conquest, R. (2004). The History of the Gulag: From collectivization to the great terror. New Haven: Yale University Press.

Citación estilo Chicago

Khlevniuk, Oleg, and Robert Conquest. The History of the Gulag: From Collectivization to the Great Terror. New Haven: Yale University Press, 2004.

Cita MLA

Khlevniuk, Oleg, and Robert Conquest. The History of the Gulag: From Collectivization to the Great Terror. New Haven: Yale University Press, 2004.