APA

Kopper P., Sandved K. B. & Clark C. (1982). The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution.

Chicago

Kopper Philip, Sandved Kjell Bloch and Clark Chip. 1982. The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution.

Harvard

Kopper P., Sandved K. B. and Clark C. (1982). The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution.

MLA

Kopper Philip, Sandved Kjell Bloch and Clark Chip. The National Museum of Natural History. New York: Abrams in association with the Smithsonian Institution. 1982.