APA (7th ed.) Citation

Sotheby's. (1997). Eighteenth and Nineteenth century British Drawings and Watercolours: Auction, Thursday 10 April 1997 at 10.30 am. Sotheby's.

Chicago Style (17th ed.) Citation

Sotheby's. Eighteenth and Nineteenth Century British Drawings and Watercolours: Auction, Thursday 10 April 1997 at 10.30 Am. London: Sotheby's, 1997.

MLA (9th ed.) Citation

Sotheby's. Eighteenth and Nineteenth Century British Drawings and Watercolours: Auction, Thursday 10 April 1997 at 10.30 Am. Sotheby's, 1997.