Kopper, P., Clark, C., & Sandved, K. B. (1982). The National Museum of Natural History. Abrams in association with the Smithsonian Institution.
Citação do estilo Chicago (17ª ed.)Kopper, Philip, Chip Clark, e Kjell Bloch Sandved. The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution, 1982.
Citação MLA (8ª ed.)Kopper, Philip, et al. The National Museum of Natural History. Abrams in association with the Smithsonian Institution, 1982.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.