Grand Canyon foot of Bass Trail
MLA
Dellenbaugh, Frederick Samuel, 1853-1935. Grand Canyon foot of Bass Trail. Box 1 | Folder 29. 1907. https://collections.library.yale.edu/catalog/2017649.
APA, 6th edition
Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 1 | Folder 29"])(1907)[Grand Canyon foot of Bass Trail]. https://collections.library.yale.edu/catalog/2017649.