Não informado. (1990). In the Field. Field Museum of Natural History.
Chicagoスタイル(17版)引用形式Não informado. In the Field. Chicago, Ill: Field Museum of Natural History, 1990.
MLA(8版)引用形式Não informado. In the Field. Field Museum of Natural History, 1990.
警告: この引用は必ずしも正確ではありません.