MLA

Davis, Andrew Jackson, 1826-1910. 1855. Box 1, folder 8. 1848-1929. https://collections.library.yale.edu/catalog/32528527.

APA, 6th edition

Davis, Andrew Jackson, 1826-1910. (["Box 1, folder 8"])(1848-1929)[1855]. https://collections.library.yale.edu/catalog/32528527.