APA (7th ed.) Citation

National Geographic Society (U.S.). Cartographic Division. (1938). Europe and the Mediterranean. The Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Cartographic Division. Europe and the Mediterranean. Washington: The Society, 1938.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Cartographic Division. Europe and the Mediterranean. The Society, 1938.

Warning: These citations may not always be 100% accurate.