(1995). Above the Rockies: Through digital eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. National Geographic Society.
Style de citation Chicago (17e éd.)Above the Rockies: Through Digital Eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. Washington: National Geographic Society, 1995.
Style de citation MLA (9e éd.)Above the Rockies: Through Digital Eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. National Geographic Society, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.