APA Citation

Sotheby's, & Sotheby's. (2019). Old masters: Evening sale : auction in London, 4 December 2019. London: Sotheby's.

Chicago Style Citation

Sotheby's, and Sotheby's. Old Masters: Evening Sale : Auction in London, 4 December 2019. London: Sotheby's, 2019.

MLA Citation

Sotheby's, and Sotheby's. Old Masters: Evening Sale : Auction in London, 4 December 2019. London: Sotheby's, 2019.

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