APA (7th ed.) Citation

Kidson, A., & Romney, G. (2002). George Romney, 1734-1802. National Portrait Gallery.

Chicago Style (17th ed.) Citation

Kidson, Alex, and George Romney. George Romney, 1734-1802. London: National Portrait Gallery, 2002.

MLA (9th ed.) Citation

Kidson, Alex, and George Romney. George Romney, 1734-1802. National Portrait Gallery, 2002.

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