Lesquereux L. Leo & Knowlton F. H. (1891). The Flora of the Dakota group, a posthumous work. Washington, Governmext Printing Office, 1891.
Style de citation Chicago (17e éd.)Lesquereux L. Leo et Knowlton F. H. The Flora of the Dakota Group, a Posthumous Work. Washington, Governmext Printing Office, 1891, 1891.
Style de citation MLA (9e éd.)Lesquereux L. Leo et Knowlton F. H. The Flora of the Dakota Group, a Posthumous Work. Washington, Governmext Printing Office, 1891, 1891.
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