APA (7th ed.) Citation

Sotheby & Co. (1949). The Landau library the third portion. Sotheby & Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. The Landau Library the Third Portion. London: Sotheby & Co, 1949.

MLA (9th ed.) Citation

Sotheby & Co. The Landau Library the Third Portion. Sotheby & Co, 1949.

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