Cita APA (7a ed.)

Whittock, M., & Leonard, A. (2016). Russia and the Soviet Union, 1917-1941 ([Student book].). Pearson.

Cita Chicago Style (17a ed.)

Whittock, Martyn, y Angela Leonard. Russia and the Soviet Union, 1917-1941. [Student book]. London: Pearson, 2016.

Cita MLA (9a ed.)

Whittock, Martyn, y Angela Leonard. Russia and the Soviet Union, 1917-1941. [Student book]. Pearson, 2016.