APA (7th ed.) Citation

Sotheby & Co. (1956). Catalogue of printed books with a few manuscripts. Sotheby & Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. Catalogue of Printed Books with a Few Manuscripts. London: Sotheby & Co, 1956.

MLA (9th ed.) Citation

Sotheby & Co. Catalogue of Printed Books with a Few Manuscripts. Sotheby & Co, 1956.

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