MLA

Gilman, Daniel C. (Daniel Coit), 1831-1908. Gilman, Louise. Box 3, folder 175. 1845-1846. https://collections.library.yale.edu/catalog/32523120.

APA, 6th edition

Gilman, Daniel C. (Daniel Coit), 1831-1908. (["Box 3, folder 175"])(1845-1846)[Gilman, Louise]. https://collections.library.yale.edu/catalog/32523120.