Style de citation APA (7e éd.)
Ogburn, C., Sugar, J. A., & Grosvenor, G. M. Railroads: The Great American Adventure. National Geographic Society, Special Publications Division.
Style de citation Chicago (17e éd.)
Ogburn, Charlton, James A. Sugar, et Gilbert M. Grosvenor. Railroads: The Great American Adventure. Washington, EUA: National Geographic Society, Special Publications Division.
Style de citation MLA (9e éd.)
Ogburn, Charlton, et al. Railroads: The Great American Adventure. National Geographic Society, Special Publications Division.
Attention : ces citations peuvent ne pas être correctes à 100%.