Não informado. (1883). Bulletin of the United States Geological Survey. U.S. Department of the Interior.
Style de citation Chicago (17e éd.)Não informado. Bulletin of the United States Geological Survey. Washington: U.S. Department of the Interior, 1883.
Style de citation MLA (8e éd.)Não informado. Bulletin of the United States Geological Survey. U.S. Department of the Interior, 1883.
Attention : ces citations peuvent ne pas être correctes à 100%.