APA Edition Citation

Gronau, G. (1903). Leonardo da Vinci / by G. Gronau. Duckworth.

Chicago Edition Citation

Gronau, G. Leonardo Da Vinci / by G. Gronau. Duckworth, 1903.

MLA Edition Citation

Gronau, G. Leonardo Da Vinci / by G. Gronau. Duckworth, 1903.

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