Cite

Gall. Leader at the Custer Massacre. The Great Orator of the Sioux Nation

MLA

Cross, W. R. (William R.). Gall. Leader at the Custer Massacre. The Great Orator of the Sioux Nation. Folder 6. circa 1885. https://collections.library.yale.edu/catalog/2001107.

APA, 6th edition

Cross, W. R. (William R.). (["Folder 6"])(circa 1885)[Gall. Leader at the Custer Massacre. The Great Orator of the Sioux Nation]. https://collections.library.yale.edu/catalog/2001107.