APA (7th ed.) Citation

Heydenreich, L. H. (1954). Leonardo da Vinci. Holbein-Verl.

Chicago Style (17th ed.) Citation

Heydenreich, Ludwig H. Leonardo Da Vinci. Basel: Holbein-Verl, 1954.

MLA (9th ed.) Citation

Heydenreich, Ludwig H. Leonardo Da Vinci. Holbein-Verl, 1954.

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