Não informado. (2001). Annual report of the Colorado Museum of Natural History. Colorado Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report of the Colorado Museum of Natural History. Denver, Colo: Colorado Museum of Natural History, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report of the Colorado Museum of Natural History. Colorado Museum of Natural History, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.