Chicago Natural History Museum. (1944). Report of the Director to the Board of Trustees: For the year .. Museum.
Chicago-Zitierstil (17. Ausg.)Chicago Natural History Museum. Report of the Director to the Board of Trustees: For the Year .. Chicago, Ill: Museum, 1944.
MLA-Zitierstil (9. Ausg.)Chicago Natural History Museum. Report of the Director to the Board of Trustees: For the Year .. Museum, 1944.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.