Cita APA (7a ed.)

Pipes, R. (1989). Russia observed: Collected essays on Russian and Soviet history. Westview Press.

Cita Chicago Style (17a ed.)

Pipes, Richard. Russia Observed: Collected Essays on Russian and Soviet History. Boulder, Colo. [etc.]: Westview Press, 1989.

Cita MLA (9a ed.)

Pipes, Richard. Russia Observed: Collected Essays on Russian and Soviet History. Westview Press, 1989.