APA (7th ed.) Citation

The National Gallery (London). (1950). National Gallery Illustrations: Italian schools.

Chicago Style (17th ed.) Citation

The National Gallery (London). National Gallery Illustrations: Italian Schools. London, 1950.

MLA (9th ed.) Citation

The National Gallery (London). National Gallery Illustrations: Italian Schools. 1950.

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