Não informado. (2018). Annual Report of the Illinois State Museum of Natural History. Illinois State Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report of the Illinois State Museum of Natural History. Springfield, Ill: Illinois State Museum of Natural History, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report of the Illinois State Museum of Natural History. Illinois State Museum of Natural History, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.