APA (7th ed.) Citation

Smithsonian Institution. Bureau of American Ethnology & Dorsey, J. O. (1891). Omaha and Ponka letters. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Bureau of American Ethnology and James Owen Dorsey. Omaha and Ponka Letters. [Place of publication not identified]: U.S. Government Printing Office, 1891.

MLA (9th ed.) Citation

Smithsonian Institution. Bureau of American Ethnology and James Owen Dorsey. Omaha and Ponka Letters. U.S. Government Printing Office, 1891.