APA (7th ed.) Citation

Sotheby's (Firm). (1988). Books, maps and manuscripts. Sotheby.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Books, Maps and Manuscripts. London: Sotheby, 1988.

MLA (9th ed.) Citation

Sotheby's (Firm). Books, Maps and Manuscripts. Sotheby, 1988.

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