Cite

Photographs of Pawnee Indian Scouts and of Council Bluffs, Iowa [graphic].

MLA

Eaton, E. L. (Edric L.), b. ca. 1836. Photographs of Pawnee Indian Scouts and of Council Bluffs, Iowa [graphic].. ca. 1866.. https://collections.library.yale.edu/catalog/2011417.

APA, 6th edition

Eaton, E. L. (Edric L.), b. ca. 1836. (ca. 1866.)[Photographs of Pawnee Indian Scouts and of Council Bluffs, Iowa [graphic].]. https://collections.library.yale.edu/catalog/2011417.