APA (7th ed.) Citation

Leonardo, d. V., Clark, K., & Pedretti, C. (1968). The drawings of Leonardo da Vinci in the collection of Her Majesty the Queen at Windsor Castle / by Kenneth Clark (2nd ed.). Phaidon.

Chicago Style (17th ed.) Citation

Leonardo, da Vinci, Kenneth Clark, and Carlo Pedretti. The Drawings of Leonardo Da Vinci in the Collection of Her Majesty the Queen at Windsor Castle / by Kenneth Clark. 2nd ed. London: Phaidon, 1968.

MLA (9th ed.) Citation

Leonardo, da Vinci, et al. The Drawings of Leonardo Da Vinci in the Collection of Her Majesty the Queen at Windsor Castle / by Kenneth Clark. 2nd ed. Phaidon, 1968.

Warning: These citations may not always be 100% accurate.