MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Kanab Canyon. Box 4, folder 146. 1903, n.d.. https://collections.library.yale.edu/catalog/2025301.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 4, folder 146"])(1903, n.d.)[Kanab Canyon]. https://collections.library.yale.edu/catalog/2025301.