APA (7th ed.) Citation

National Geographic Society (U.S.) & Rosenberg & Issembert. (1986). Socialism. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.) and Rosenberg & Issembert. Socialism. Washington, DC: National Geographic Society, 1986.

MLA (9th ed.) Citation

National Geographic Society (U.S.) and Rosenberg & Issembert. Socialism. National Geographic Society, 1986.