APA (7th ed.) Citation

Wohl, H. (1967). Leonardo da Vinci. McGraw-Hill.

Chicago Style (17th ed.) Citation

Wohl, Hellmut. Leonardo Da Vinci. New York: McGraw-Hill, 1967.

MLA (9th ed.) Citation

Wohl, Hellmut. Leonardo Da Vinci. McGraw-Hill, 1967.

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