APA (7th ed.) Citation

Sotheby's (Firm). (1986). Old master paintings and British paintings 1500 -1850 - February 1986. Sotheby.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Old Master Paintings and British Paintings 1500 -1850 - February 1986. London: Sotheby, 1986.

MLA (9th ed.) Citation

Sotheby's (Firm). Old Master Paintings and British Paintings 1500 -1850 - February 1986. Sotheby, 1986.

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