Não informado. (1881). Bulletin of the American Museum of Natural History. American Museum of Natural History.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the American Museum of Natural History. New York: American Museum of Natural History, 1881.
MLA(8版)引用形式Não informado. Bulletin of the American Museum of Natural History. American Museum of Natural History, 1881.
警告: この引用は必ずしも正確ではありません.