APA (7th ed.) Citation

Walker, J., & Cott, P. B. (1972). Leonardo's portrait of Ginevra de' Benci. Sunday Star.

Chicago Style (17th ed.) Citation

Walker, John, and Perry Blythe Cott. Leonardo's Portrait of Ginevra De' Benci. Washington: Sunday Star, 1972.

MLA (9th ed.) Citation

Walker, John, and Perry Blythe Cott. Leonardo's Portrait of Ginevra De' Benci. Sunday Star, 1972.