APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Keith, Larry, Ashok Roy, Rachel Morrison, en Peter Schade. "Leonardo Da Vinci's Virgin of the Rocks: Treatment, Technique and Display." Leonardo Da Vinci : Pupil, Painter and Master .

MLA (8e ed.) Bronvermelding

Keith, Larry, et al. "Leonardo Da Vinci's Virgin of the Rocks: Treatment, Technique and Display." Leonardo Da Vinci : Pupil, Painter and Master, .