Não informado. (1848). Smithsonian contributions to knowledge. Smithsonian Institution.
Style de citation Chicago (17e éd.)Não informado. Smithsonian Contributions to Knowledge. Washington: Smithsonian Institution, 1848.
Style de citation MLA (8e éd.)Não informado. Smithsonian Contributions to Knowledge. Smithsonian Institution, 1848.
Attention : ces citations peuvent ne pas être correctes à 100%.