APA (7th ed.) Citation

Sotheby & Co. (1954). Harmsworth Trust Library. Sotheby & Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. Harmsworth Trust Library. London: Sotheby & Co, 1954.

MLA (9th ed.) Citation

Sotheby & Co. Harmsworth Trust Library. Sotheby & Co, 1954.

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