APA (7th ed.) Citation

Wohl, H., & Leonardo, d. V. (1968). Leonardo da Vinci. McGraw.

Chicago Style (17th ed.) Citation

Wohl, Hellmut, and da Vinci Leonardo. Leonardo Da Vinci. New York: McGraw, 1968.

MLA (9th ed.) Citation

Wohl, Hellmut, and da Vinci Leonardo. Leonardo Da Vinci. McGraw, 1968.

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