The beginning of the descent into Havasu Canyon - Topocoba Trail
MLA
Dellenbaugh, Frederick Samuel, 1853-1935. The beginning of the descent into Havasu Canyon - Topocoba Trail. Box 1 | Folder 34. 1907. https://collections.library.yale.edu/catalog/2017719.
APA, 6th edition
Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 1 | Folder 34"])(1907)[The beginning of the descent into Havasu Canyon - Topocoba Trail]. https://collections.library.yale.edu/catalog/2017719.