Cite

Starr, W. I. Grand Canyon (in Series I)

MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Starr, W. I. Grand Canyon (in Series I). Box 7, folder 176. n.d.. https://collections.library.yale.edu/catalog/2018173.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 7, folder 176"])(n.d.)[Starr, W. I. Grand Canyon (in Series I)]. https://collections.library.yale.edu/catalog/2018173.