APA (7th ed.) Citation

National Gallery (Great Britain) & Penny, N. (2004). The sixteenth century Italian paintings. National Gallery Co..

Chicago Style (17th ed.) Citation

National Gallery (Great Britain) and Nicholas Penny. The Sixteenth Century Italian Paintings. London: National Gallery Co., 2004.

MLA (9th ed.) Citation

National Gallery (Great Britain) and Nicholas Penny. The Sixteenth Century Italian Paintings. National Gallery Co., 2004.