Cite

Borromei, Alessandro. 2 letters; 4pp.

MLA

Borromei, Alessandro. 2 Letters; 4pp. 1448. https://collections.library.yale.edu/catalog/2065197.

APA, 6th edition

Borromei, Alessandro. 2 letters; 4pp. (1448). https://collections.library.yale.edu/catalog/2065197.