APA (7th ed.) Citation
National Geographic Society (Estados Unidos) National Geographic Maps, Grosvenor, M. B., & Peele, W. T. (1975). Atlas of the world (Cuarta edición.). National Geographic Society.
Chicago Style (17th ed.) Citation
National Geographic Society (Estados Unidos) National Geographic Maps, Melville Bell Grosvenor, and William T. Peele. Atlas of the World. Cuarta edición. Washington, D. C.: National Geographic Society, 1975.
MLA (9th ed.) Citation
National Geographic Society (Estados Unidos) National Geographic Maps, et al. Atlas of the World. Cuarta edición. National Geographic Society, 1975.
Warning: These citations may not always be 100% accurate.