APA (7th ed.) Citation

Sotheby's (Firm). (1985). Printed books. Sothebys.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Printed Books. London: Sothebys, 1985.

MLA (9th ed.) Citation

Sotheby's (Firm). Printed Books. Sothebys, 1985.

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