APA (7th ed.) Citation

Simpson, G. G. (1928). Further notes on Mongolian Cretaceous mammals. American Museum of Natural History.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. Further Notes on Mongolian Cretaceous Mammals. New York City: American Museum of Natural History, 1928.

MLA (9th ed.) Citation

Simpson, George Gaylord. Further Notes on Mongolian Cretaceous Mammals. American Museum of Natural History, 1928.