Cita APA (7th ed.)

Pipes, R. (1977). Russia under the Old Regime. Penguin Books.

Cita Chicago (17th ed.)

Pipes, Richard. Russia Under the Old Regime. Londres: Penguin Books, 1977.

Cita MLA (9th ed.)

Pipes, Richard. Russia Under the Old Regime. Penguin Books, 1977.