APA

Burt C. E., Burt M. D., . (1931). South American lizards in the collection of the American Museum of Natural History. New York: American Museum of Natural History.

Chicago

Burt Charles E, Burt May Danheim, . 1931. South American lizards in the collection of the American Museum of Natural History. New York: American Museum of Natural History.

Harvard

Burt C. E., Burt M. D., . (1931). South American lizards in the collection of the American Museum of Natural History. New York: American Museum of Natural History.

MLA

Burt Charles E, Burt May Danheim, . South American lizards in the collection of the American Museum of Natural History. New York: American Museum of Natural History. 1931.