Sotheby's (London). (1989). Important continental furniture, tapestries and clocks: Days of sale Friday 24th November 1989 and Friday 8th December 1989. Sotheby's.
Chicago Style (17th ed.) CitationSotheby's (London). Important Continental Furniture, Tapestries and Clocks: Days of Sale Friday 24th November 1989 and Friday 8th December 1989. London: Sotheby's, 1989.
MLA (9th ed.) CitationSotheby's (London). Important Continental Furniture, Tapestries and Clocks: Days of Sale Friday 24th November 1989 and Friday 8th December 1989. Sotheby's, 1989.
Warning: These citations may not always be 100% accurate.