Leonardo da Vinci : : An account of his development as an artist.

MLA

Clark, Kenneth. Leonardo Da Vinci : An Account of His Development As an Artist. Middlesex: Penguin Books, 1980.

APA

Clark, K. (1980). Leonardo da Vinci : An account of his development as an artist. Middlesex: Penguin Books.

Chicago

Clark, Kenneth Leonardo Da Vinci: An Account of His Development As an Artist. Middlesex: Penguin Books, 1980.