MLA

Nicholls, Norton, 1741?-1809. Norton Nicholls to Jane Floyer Nicholls. Milan. Concerns family business; Italy; Milanese court. Box 1, folder 124. 1771 Oct 18. https://collections.library.yale.edu/catalog/17439921.

APA, 6th edition

Nicholls, Norton, 1741?-1809. (["Box 1, folder 124"])(1771 Oct 18)[Norton Nicholls to Jane Floyer Nicholls. Milan. Concerns family business; Italy; Milanese court]. https://collections.library.yale.edu/catalog/17439921.