Simpson, G. G. (1937). Additions to the Upper Paleocene fauna of the Crazy Mountain field. The American Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Simpson, George Gaylord. Additions to the Upper Paleocene Fauna of the Crazy Mountain Field. New York City: The American Museum of Natural History, 1937.
MLA-Zitierstil (9. Ausg.)Simpson, George Gaylord. Additions to the Upper Paleocene Fauna of the Crazy Mountain Field. The American Museum of Natural History, 1937.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.