Cita APA (7th ed.)
Cairns, H., & Walker, J. (1946). Masterpieces of painting: From the National Gallery of Art. Random House.
Cita Chicago (17th ed.)
Cairns, Huntington, i John Walker. Masterpieces of Painting: From the National Gallery of Art. New York: Random House, 1946.
Cita MLA (9th ed.)
Cairns, Huntington, i John Walker. Masterpieces of Painting: From the National Gallery of Art. Random House, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.