APA (7th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, Chamberlin, W., Grazzini, A. D., & Stuart, G. E. (1968). Archeological map of Middle America: Land of the feathered serpent. The Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, Wellman Chamberlin, Athos D. Grazzini, and George E. Stuart. Archeological Map of Middle America: Land of the Feathered Serpent. Washington: The Society, 1968.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, et al. Archeological Map of Middle America: Land of the Feathered Serpent. The Society, 1968.