MLA

Davis, Andrew Jackson, 1826-1910. 1860-1869. Box 1, folder 13. 1848-1929. https://collections.library.yale.edu/catalog/32528605.

APA, 6th edition

Davis, Andrew Jackson, 1826-1910. (["Box 1, folder 13"])(1848-1929)[1860-1869]. https://collections.library.yale.edu/catalog/32528605.