APA (7th ed.) Citation

Franzero, C. M., & Leonardo, d. V. (1969). Leonardo. W.H. Allen.

Chicago Style (17th ed.) Citation

Franzero, Carlo Maria, and da Vinci Leonardo. Leonardo. London: W.H. Allen, 1969.

MLA (9th ed.) Citation

Franzero, Carlo Maria, and da Vinci Leonardo. Leonardo. W.H. Allen, 1969.

Warning: These citations may not always be 100% accurate.