Pecirka, J., Leonardo, d. V., & Michelangelo Buonarroti. (1966). The drawings of Leonardo and Michelangelo (2nd edition.). Hamlyn.
Chicago Style (17th ed.) CitationPecirka, Jaromir, da Vinci Leonardo, and Michelangelo Buonarroti. The Drawings of Leonardo and Michelangelo. 2nd edition. London: Hamlyn, 1966.
MLA (9th ed.) CitationPecirka, Jaromir, et al. The Drawings of Leonardo and Michelangelo. 2nd edition. Hamlyn, 1966.
Warning: These citations may not always be 100% accurate.