APA (7th ed.) Citation

National Geographic Society (U.S.). Cartographic Division & Garver, J. B., Jr. (1986). Where did Columbus discover America?: New evidence marks landfall at Samana Cay. The Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Cartographic Division and John B. Garver, Jr. Where Did Columbus Discover America?: New Evidence Marks Landfall at Samana Cay. Washington, D.C.: The Society, 1986.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Cartographic Division and John B. Garver, Jr. Where Did Columbus Discover America?: New Evidence Marks Landfall at Samana Cay. The Society, 1986.