Não informado. (1930). Field museum news. Chicago Natural History Museum.
Chicagoスタイル(17版)引用形式Não informado. Field Museum News. Chicago, Ill: Chicago Natural History Museum, 1930.
MLA(8版)引用形式Não informado. Field Museum News. Chicago Natural History Museum, 1930.
警告: この引用は必ずしも正確ではありません.