MLA

Brady, Mathew B., approximately 1823-1896. Evans, Jack. Box 37, folder 1842-1848. 1849-circa 1956. https://collections.library.yale.edu/catalog/33109413.

APA, 6th edition

Brady, Mathew B., approximately 1823-1896. (["Box 37, folder 1842-1848"])(1849-circa 1956)[Evans, Jack]. https://collections.library.yale.edu/catalog/33109413.