MLA

Meserve, Frederick Hill, 1865-1962. Carvalho, Caroline-Marie, 1827-1895. Box 35, folder 634. approximately 1897–1962. https://collections.library.yale.edu/catalog/17476273.

APA, 6th edition

Meserve, Frederick Hill, 1865-1962. (["Box 35, folder 634"])(approximately 1897–1962)[Carvalho, Caroline-Marie, 1827-1895]. https://collections.library.yale.edu/catalog/17476273.