APA (7th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. (1993). Exploring your world: The adventure of geography (Rev.). National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. Exploring Your World: The Adventure of Geography. Rev. [Washington, D.C.]: National Geographic Society, 1993.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. Exploring Your World: The Adventure of Geography. Rev. National Geographic Society, 1993.