Cite

Grand Canyon

MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Grand Canyon. Box 4, folder 137-141. 1872-1929, n.d.. https://collections.library.yale.edu/catalog/2025216.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 4, folder 137-141"])(1872-1929, n.d.)[Grand Canyon]. https://collections.library.yale.edu/catalog/2025216.