APA (7th ed.) Citation

Simpson, G. G. (1935). Occurrence and relationships of the Río Chico fauna of Patagonia. The American Museum of Natural History.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. Occurrence and Relationships of the Río Chico Fauna of Patagonia. New York City: The American Museum of Natural History, 1935.

MLA (9th ed.) Citation

Simpson, George Gaylord. Occurrence and Relationships of the Río Chico Fauna of Patagonia. The American Museum of Natural History, 1935.