Cita APA (7a ed.)

Leonardo Da Vinci & Vallentin, A. (1970). Leonardo Da Vinci paintings and drawings. Mathuen and Co.Ltd.-Tudor Publishing Co.

Cita Chicago Style (17a ed.)

Leonardo Da Vinci y Antonina Vallentin. Leonardo Da Vinci Paintings and Drawings. London New York: Mathuen and Co.Ltd.-Tudor Publishing Co, 1970.

Cita MLA (9a ed.)

Leonardo Da Vinci y Antonina Vallentin. Leonardo Da Vinci Paintings and Drawings. Mathuen and Co.Ltd.-Tudor Publishing Co, 1970.