Kopper, P., Clark, C., & Sandved, K. B. (1982). The National Museum of Natural History. Abrams in association with the Smithsonian Institution.
Style de citation Chicago (17e éd.)Kopper, Philip, Chip Clark, et Kjell Bloch Sandved. The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution, 1982.
Style de citation MLA (8e éd.)Kopper, Philip, et al. The National Museum of Natural History. Abrams in association with the Smithsonian Institution, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.