APA (7th ed.) Citation

National Gallery & Gould, C. (1975). The sixteenth-century italian schools. National Gallery.

Chicago Style (17th ed.) Citation

National Gallery and Cecil Gould. The Sixteenth-century Italian Schools. London: National Gallery, 1975.

MLA (9th ed.) Citation

National Gallery and Cecil Gould. The Sixteenth-century Italian Schools. National Gallery, 1975.

Warning: These citations may not always be 100% accurate.