APA (7th ed.) Citation

(1981). Eighteenth, nineteenth and twentieth century British paintings. Sotheby & Co.

Chicago Style (17th ed.) Citation

Eighteenth, Nineteenth and Twentieth Century British Paintings. London: Sotheby & Co, 1981.

MLA (9th ed.) Citation

Eighteenth, Nineteenth and Twentieth Century British Paintings. Sotheby & Co, 1981.

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