MLA

Stimson, Henry L. (Henry Lewis), 1867-1950. 1930-1939. Box 270, folder 4. 1846-1966. https://collections.library.yale.edu/catalog/10015706.

APA, 6th edition

Stimson, Henry L. (Henry Lewis), 1867-1950. (["Box 270, folder 4"])(1846-1966)[1930-1939]. https://collections.library.yale.edu/catalog/10015706.