Cita APA

Ulam, A. B. (1974). Expansion and coexistence: Soviet foreign policy, 1917-73. Praeger.

Citación estilo Chicago

Ulam, Adam B. Expansion and Coexistence: Soviet Foreign Policy, 1917-73. New York: Praeger, 1974.

Cita MLA

Ulam, Adam B. Expansion and Coexistence: Soviet Foreign Policy, 1917-73. Praeger, 1974.