APA Citation

Sotheby's, & Sotheby's. (2019). 19th century European paintings: Auction in London, 9 July 2019. London: Sotheby's.

Chicago Style Citation

Sotheby's, and Sotheby's. 19th Century European Paintings: Auction in London, 9 July 2019. London: Sotheby's, 2019.

MLA Citation

Sotheby's, and Sotheby's. 19th Century European Paintings: Auction in London, 9 July 2019. London: Sotheby's, 2019.

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