Cita APA (7a ed.)

Clark, K. (1961). Leonardo da Vinci: An account of his development as an artist (Revised edition 1958.). Penguin Books.

Cita Chicago Style (17a ed.)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. Revised edition 1958. Baltimore: Penguin Books, 1961.

Cita MLA (9a ed.)

Clark, Kenneth. Leonardo Da Vinci: An Account of His Development as an Artist. Revised edition 1958. Penguin Books, 1961.