APA (7th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, Darley, J. M., Grosvenor, G. M., & Holdstock, A. E. (1941). Atlantic Ocean. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, James M. Darley, Gilbert M. Grosvenor, and A. E. Holdstock. Atlantic Ocean. Washington: National Geographic Society, 1941.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, et al. Atlantic Ocean. National Geographic Society, 1941.