Cita APA (7a ed.)

Smithsonian Institution. Department of Botany. National Museum of Natural History. (1911). Contributions from the United States National Herbarium. Smithsonian Institution. Department of Botany. National Museum of Natural History.

Cita Chicago Style (17a ed.)

Smithsonian Institution. Department of Botany. National Museum of Natural History. Contributions from the United States National Herbarium. Washington: Smithsonian Institution. Department of Botany. National Museum of Natural History, 1911.

Cita MLA (8a ed.)

Smithsonian Institution. Department of Botany. National Museum of Natural History. Contributions from the United States National Herbarium. Smithsonian Institution. Department of Botany. National Museum of Natural History, 1911.