APA(7版)引用形式

Não informado. (1890). Contributions from the United States National Herbarium. Smithsonian Institution.

Chicagoスタイル(17版)引用形式

Não informado. Contributions from the United States National Herbarium. Washington: Smithsonian Institution, 1890.

MLA(8版)引用形式

Não informado. Contributions from the United States National Herbarium. Smithsonian Institution, 1890.

警告: この引用は必ずしも正確ではありません.