Smithsonian Institution. Bureau of American Ethnology & Roberts, F. H. H. (1961). River Basin Surveys papers. Smithsonian Institution, Bureau of American Ethnology.
Cita Chicago Style (17a ed.)Smithsonian Institution. Bureau of American Ethnology y Frank H. H. Roberts. River Basin Surveys Papers. Washington: Smithsonian Institution, Bureau of American Ethnology, 1961.
Cita MLA (8a ed.)Smithsonian Institution. Bureau of American Ethnology y Frank H. H. Roberts. River Basin Surveys Papers. Smithsonian Institution, Bureau of American Ethnology, 1961.
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