Cita APA (7a ed.)

Sonnenfeldt, H. (1985). Soviet politics in the 1980s. Westview.

Cita Chicago Style (17a ed.)

Sonnenfeldt, Helmut. Soviet Politics in the 1980s. Boulder [etc.]: Westview, 1985.

Cita MLA (9a ed.)

Sonnenfeldt, Helmut. Soviet Politics in the 1980s. Westview, 1985.