Cite

Ferrari, Signor

MLA

Leoncavallo, Ruggiero, 1858-1919. Ferrari, Signor. Box 10, folder 304. 1901 Feb 7. https://collections.library.yale.edu/catalog/16666540.

APA, 6th edition

Leoncavallo, Ruggiero, 1858-1919. (["Box 10, folder 304"])(1901 Feb 7)[Ferrari, Signor]. https://collections.library.yale.edu/catalog/16666540.