MLA

Savonarola, Girolamo, 1452-1498. Dell'umilita. [before 1495 September?]. https://collections.library.yale.edu/catalog/2054387.

APA, 6th edition

Savonarola, Girolamo, 1452-1498. ([before 1495 September?])[Dell'umilita]. https://collections.library.yale.edu/catalog/2054387.