Franklin

MLA

Leonardo, and Irma A Richter. The Notebooks of Leonardo Da Vinci. Oxford: Oxford University Press, 1998.

APA

Leonardo, L., & Richter, I. A. (1998). The notebooks of Leonardo da Vinci. Oxford: Oxford University Press.

Chicago

Leonardo, and Irma A Richter. The Notebooks of Leonardo Da Vinci. Oxford: Oxford University Press, 1998.