MLA

Dellenbaugh, Frederick Samuel, 1853-1935. Idaho. Box 4, folder 144. 1899. https://collections.library.yale.edu/catalog/2025299.

APA, 6th edition

Dellenbaugh, Frederick Samuel, 1853-1935. (["Box 4, folder 144"])(1899)[Idaho]. https://collections.library.yale.edu/catalog/2025299.