Não informado. (1841). Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia.
Chicagoスタイル(17版)引用形式Não informado. Proceedings of the Academy of Natural Sciences of Philadelphia. Philadelphia, Pa: Academy of Natural Sciences of Philadelphia, 1841.
MLA(8版)引用形式Não informado. Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia, 1841.
警告: この引用は必ずしも正確ではありません.