APA (7th ed.) Citation

Leonardo, d. V., Richter, J. P., & Bell, R. C. (1970). The notebooks of Leonardo da Vinci. Dover Publications.

Chicago Style (17th ed.) Citation

Leonardo, da Vinci, Jean Paul Richter, and R. C. Bell. The Notebooks of Leonardo Da Vinci. New York: Dover Publications, 1970.

MLA (8th ed.) Citation

Leonardo, da Vinci, et al. The Notebooks of Leonardo Da Vinci. Dover Publications, 1970.