MLA

Meserve, Frederick Hill, 1865-1962. Carreño, Teresa, 1853-1917. Box 35, folder 634. approximately 1897–1962. https://collections.library.yale.edu/catalog/17476271.

APA, 6th edition

Meserve, Frederick Hill, 1865-1962. (["Box 35, folder 634"])(approximately 1897–1962)[Carreño, Teresa, 1853-1917]. https://collections.library.yale.edu/catalog/17476271.