APA (7th ed.) Citation

National Geographic Book Service & National Geographic Society (U.S.). (1990). The Soviet Union today. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Book Service and National Geographic Society (U.S.). The Soviet Union Today. Washington, D.C.: National Geographic Society, 1990.

MLA (8th ed.) Citation

National Geographic Book Service and National Geographic Society (U.S.). The Soviet Union Today. National Geographic Society, 1990.

Warning: These citations may not always be 100% accurate.