Cita APA (7a ed.)

Harbor, B., & Wharfe, W. (1992). The breakup of the Soviet Union (1. ed.). Wayland.

Cita Chicago Style (17a ed.)

Harbor, Bernard, y William Wharfe. The Breakup of the Soviet Union. 1. ed. Hove: Wayland, 1992.

Cita MLA (9a ed.)

Harbor, Bernard, y William Wharfe. The Breakup of the Soviet Union. 1. ed. Wayland, 1992.