MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Portraits. Box 5, folder 153. 1870-1929, n.d.. https://collections.library.yale.edu/catalog/2025361.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 5, folder 153"])(1870-1929, n.d.)[Portraits]. https://collections.library.yale.edu/catalog/2025361.