Cite

White Eagle. Ponca chief

MLA

Hillers, John K., 1843-1925. White Eagle. Ponca chief. ca. 1880. https://collections.library.yale.edu/catalog/2010418.

APA, 6th edition

Hillers, John K., 1843-1925. (ca. 1880)[White Eagle. Ponca chief]. https://collections.library.yale.edu/catalog/2010418.