Cita APA

Kaufman, E. (1976). The superpowers and their spheres of influence: The United States and the Soviet Union in Eastern Europe and Latin America. Croom Helm.

Citación estilo Chicago

Kaufman, Edy. The Superpowers and Their Spheres of Influence: The United States and the Soviet Union in Eastern Europe and Latin America. London: Croom Helm, 1976.

Cita MLA

Kaufman, Edy. The Superpowers and Their Spheres of Influence: The United States and the Soviet Union in Eastern Europe and Latin America. Croom Helm, 1976.