MLA

Davis, Andrew Jackson, 1826-1910. 1870-1872. Box 1, folder 14. 1848-1929. https://collections.library.yale.edu/catalog/32528614.

APA, 6th edition

Davis, Andrew Jackson, 1826-1910. (["Box 1, folder 14"])(1848-1929)[1870-1872]. https://collections.library.yale.edu/catalog/32528614.