Citazione Stile APA (7a Edizione)

Clark, K. (1958). Leonardo da Vinci: An account of his development as an artist (Überarbeitete Auflage.). Penguin.

Citazione stile Chigago Style (17a edizione)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. Überarbeitete Auflage. Harmondsworth: Penguin, 1958.

Citatione MLA (8a ed.)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. Überarbeitete Auflage. Penguin, 1958.