MLA

Meserve, Frederick Hill, 1865-1962. Lincoln, Abraham, 1809-1865. Box 1, folder 1. approximately 1897–1962. https://collections.library.yale.edu/catalog/32264443.

APA, 6th edition

Meserve, Frederick Hill, 1865-1962. (["Box 1, folder 1"])(approximately 1897–1962)[Lincoln, Abraham, 1809-1865]. https://collections.library.yale.edu/catalog/32264443.