APA (7th ed.) Citation

Heydenreich, L. H. (1943). Leonardo. Rembrandt-Verl.

Chicago Style (17th ed.) Citation

Heydenreich, Ludwig H. Leonardo. Berlin: Rembrandt-Verl, 1943.

MLA (9th ed.) Citation

Heydenreich, Ludwig H. Leonardo. Rembrandt-Verl, 1943.

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