Não informado. (1927). Contributions from the Dudley Herbarium. Stanford University, Natural History Museum.
Style de citation Chicago (17e éd.)Não informado. Contributions from the Dudley Herbarium. Palo Alto, Calif: Stanford University, Natural History Museum, 1927.
Style de citation MLA (8e éd.)Não informado. Contributions from the Dudley Herbarium. Stanford University, Natural History Museum, 1927.
Attention : ces citations peuvent ne pas être correctes à 100%.