Não informado. (1848). Smithsonian contributions to knowledge. Smithsonian Institution.
Chicagoスタイル(17版)引用形式Não informado. Smithsonian Contributions to Knowledge. Washington: Smithsonian Institution, 1848.
MLA(8版)引用形式Não informado. Smithsonian Contributions to Knowledge. Smithsonian Institution, 1848.
警告: この引用は必ずしも正確ではありません.