APA (7th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, Chamberlin, W., & Grazzini, A. D. (1970). A traveler's map of Italy. The Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, Wellman Chamberlin, and Athos D. Grazzini. A Traveler's Map of Italy. Washington: The Society, 1970.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Cartographic Division, et al. A Traveler's Map of Italy. The Society, 1970.