APA (7th ed.) Citation

Library of Congress, Fersen, N., & Rosenwald, L. J. The Florentine Fior di virtu of 1491.

Chicago Style (17th ed.) Citation

Library of Congress, Nicholas Fersen, and Lessing J. Rosenwald. The Florentine Fior Di Virtu of 1491.

MLA (9th ed.) Citation

Library of Congress, et al. The Florentine Fior Di Virtu of 1491.