Down in the Grand Canyon on trail from the Bass mine
MLA
Dellenbaugh, Frederick Samuel, 1853-1935. Down in the Grand Canyon on trail from the Bass mine. Box 1 | Folder 30. 1907. https://collections.library.yale.edu/catalog/2017662.
APA, 6th edition
Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 1 | Folder 30"])(1907)[Down in the Grand Canyon on trail from the Bass mine]. https://collections.library.yale.edu/catalog/2017662.