Cite

"Shoshone Falls, Snake River, Idaho; Midday view, adjutant walls 1,000 feet in height"

MLA

O'Sullivan, Timothy H., 1840-1882. "Shoshone Falls, Snake River, Idaho; Midday view, adjutant walls 1,000 feet in height". Box 46. ca. 1874. https://collections.library.yale.edu/catalog/2003079.

APA, 6th edition

O'Sullivan, Timothy H., 1840-1882. (["Box 46"])(ca. 1874)["Shoshone Falls, Snake River, Idaho; Midday view, adjutant walls 1,000 feet in height"]. https://collections.library.yale.edu/catalog/2003079.