Cita APA (7th ed.)

Gregory, P. R. (2009). Terror by quota: State security from Lenin to Stalin : (an archival study). Yale University Press.

Cita Chicago (17th ed.)

Gregory, Paul R. Terror by Quota: State Security from Lenin to Stalin : (an Archival Study). New Haven: Yale University Press, 2009.

Cita MLA (9th ed.)

Gregory, Paul R. Terror by Quota: State Security from Lenin to Stalin : (an Archival Study). Yale University Press, 2009.