Não informado. (1899). Proceedings of the Washington Academy of Sciences. Washington Academy of Sciences.
Chicagoスタイル(17版)引用形式Não informado. Proceedings of the Washington Academy of Sciences. Washington: Washington Academy of Sciences, 1899.
MLA(8版)引用形式Não informado. Proceedings of the Washington Academy of Sciences. Washington Academy of Sciences, 1899.
警告: この引用は必ずしも正確ではありません.