Cita APA (7th ed.)

Clark, K. (1959). Leonardo da Vinci: An account of his development as an artist (1a. ed.). Penguin Books.

Cita Chicago (17th ed.)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. 1a. ed. Londres: Penguin Books, 1959.

Cita MLA (9th ed.)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. 1a. ed. Penguin Books, 1959.