Cita APA (7a ed.)

Clark, K., & Leonardo, d. V. (1959). Leonardo da Vinci: An account of his development as an artist. Penguin.

Cita Chicago Style (17a ed.)

Clark, Kenneth, y de Vinci Leonardo. Leonardo Da Vinci: An Account of His Development as an Artist. Middlesex, England: Penguin, 1959.

Cita MLA (8a ed.)

Clark, Kenneth, y de Vinci Leonardo. Leonardo Da Vinci: An Account of His Development as an Artist. Penguin, 1959.