APA (7th ed.) Citation

Simpson, G. G. (1932). The most ancient evidences of disease among South American mammals. American Museum of Natural History.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. The Most Ancient Evidences of Disease Among South American Mammals. New York City: American Museum of Natural History, 1932.

MLA (9th ed.) Citation

Simpson, George Gaylord. The Most Ancient Evidences of Disease Among South American Mammals. American Museum of Natural History, 1932.