Keith, L., Roy, A., Morrison, R., & Schade, P. Leonardo da Vinci's Virgin of the Rocks: Treatment, Technique and Display. Leonardo da Vinci : Pupil, Painter and Master.
Цитирование в стиле Чикаго (17-е изд.)Keith, Larry, Ashok Roy, Rachel Morrison, и Peter Schade. "Leonardo Da Vinci's Virgin of the Rocks: Treatment, Technique and Display." Leonardo Da Vinci : Pupil, Painter and Master .
Цитирование MLA (8-е изд.)Keith, Larry, et al. "Leonardo Da Vinci's Virgin of the Rocks: Treatment, Technique and Display." Leonardo Da Vinci : Pupil, Painter and Master, .
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.