Cita APA

National Geographic Society. Cartographic Division, & Darley, J. M. (1960). France, Belgium and the Netherlands. Washington: [editor no identificado].

Citación estilo Chicago

National Geographic Society. Cartographic Division, y James Morrison Darley. France, Belgium and the Netherlands. Washington: [editor no identificado], 1960.

Cita MLA

National Geographic Society. Cartographic Division, y James Morrison Darley. France, Belgium and the Netherlands. Washington: [editor no identificado], 1960.