Cita APA

National Geographic Society. Cartographic Division, & National Geographic Society. Cartographic Division. (1965). Spain and Portugal. Washington: [editor no identificado].

Citación estilo Chicago

National Geographic Society. Cartographic Division, y National Geographic Society. Cartographic Division. Spain and Portugal. Washington: [editor no identificado], 1965.

Cita MLA

National Geographic Society. Cartographic Division, y National Geographic Society. Cartographic Division. Spain and Portugal. Washington: [editor no identificado], 1965.

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