Cite

Colorado River

MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Colorado River. Box 4, folder 122. 1909. https://collections.library.yale.edu/catalog/2023971.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 4, folder 122"])(1909)[Colorado River]. https://collections.library.yale.edu/catalog/2023971.