APA (7th ed.) Citation

Sotheby & Co. (1931). Catalogue of the very choice and valuable library. Sotheby & Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. Catalogue of the Very Choice and Valuable Library. London: Sotheby & Co, 1931.

MLA (9th ed.) Citation

Sotheby & Co. Catalogue of the Very Choice and Valuable Library. Sotheby & Co, 1931.

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