APA (7th ed.) Citation

Romera, A. R. (1947). Leonardo da Vinci. Poseidón.

Chicago Style (17th ed.) Citation

Romera, Antonio R. Leonardo Da Vinci. Buenos Aires: Poseidón, 1947.

MLA (9th ed.) Citation

Romera, Antonio R. Leonardo Da Vinci. Poseidón, 1947.

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