Cita APA (7a ed.)

Sotheby's. (1997). Eighteenth and Nineteenth Century British Drawings and Watercolours: Auction, Thursday, 13 November 1997 at 10.30 am. Sotheby's.

Cita Chicago Style (17a ed.)

Sotheby's. Eighteenth and Nineteenth Century British Drawings and Watercolours: Auction, Thursday, 13 November 1997 at 10.30 Am. London: Sotheby's, 1997.

Cita MLA (9a ed.)

Sotheby's. Eighteenth and Nineteenth Century British Drawings and Watercolours: Auction, Thursday, 13 November 1997 at 10.30 Am. Sotheby's, 1997.