Cita APA

Bortolon, L., Orlandi, E., & Richards, C. J. (1968). The life and times of Leonardo (Revised edition.). Italy: Paul Hamlyn.

Citación estilo Chicago

Bortolon, Llana, Enzo Orlandi, y C. J. Richards. The Life and Times of Leonardo. Revised edition. Italy: Paul Hamlyn, 1968.

Cita MLA

Bortolon, Llana, Enzo Orlandi, y C. J. Richards. The Life and Times of Leonardo. Revised edition. Italy: Paul Hamlyn, 1968.