Cite

Photographs of Pawnee Indian Scouts [graphic].

MLA

Jackson Bros. (Photographers). Photographs of Pawnee Indian Scouts [graphic].. ca. 1868-1870.. https://collections.library.yale.edu/catalog/2011412.

APA, 6th edition

Jackson Bros. (Photographers). (ca. 1868-1870.)[Photographs of Pawnee Indian Scouts [graphic].]. https://collections.library.yale.edu/catalog/2011412.