Cite

Down in the Grand Canyon on the trail to the Basso mine

MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Down in the Grand Canyon on the trail to the Basso mine. Box 1 | Folder 31. [1907]. https://collections.library.yale.edu/catalog/2017664.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 1 | Folder 31"])([1907])[Down in the Grand Canyon on the trail to the Basso mine]. https://collections.library.yale.edu/catalog/2017664.