Cite

Sawtooth Peak on the Great Western Divide. 122

MLA

Sawtooth Peak on the Great Western Divide. 122. 0AD. https://collections.library.yale.edu/catalog/2015532.

APA, 6th edition

Sawtooth Peak on the Great Western Divide. 122. (0 C.E.). [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2015532.