APA (7th ed.) Citation

Sotheby's (Firm). (1981). Decorative arts including art nouveau and art deco, July 1981. Sotheby.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Decorative Arts Including Art Nouveau and Art Deco, July 1981. London: Sotheby, 1981.

MLA (9th ed.) Citation

Sotheby's (Firm). Decorative Arts Including Art Nouveau and Art Deco, July 1981. Sotheby, 1981.

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