Não informado. (1948). Collected papers from the Museum of Natural History. Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Não informado. Collected Papers from the Museum of Natural History. Aarhus, Dinamarca: Museum of Natural History, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Collected Papers from the Museum of Natural History. Museum of Natural History, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.