Cita APA (7th ed.)

Geiger, T. (1988). The future of the international: System: the United States and the world. Unwin Hyman.

Cita Chicago (17th ed.)

Geiger, Theodore. The Future of the International: System: The United States and the World. Boston, Mass: Unwin Hyman, 1988.

Cita MLA (9th ed.)

Geiger, Theodore. The Future of the International: System: The United States and the World. Unwin Hyman, 1988.