APA (7th ed.) Citation

Sotheby & Co. (1949). Catalogue of fine illuminated manuscripts comprising ... the Hornby collection ... which will be sold by auction ... on Tuesday, the 29th of November, 1949. Sotheby and Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. Catalogue of Fine Illuminated Manuscripts Comprising ... the Hornby Collection ... Which Will Be Sold by Auction ... on Tuesday, the 29th of November, 1949. London: Sotheby and Co, 1949.

MLA (9th ed.) Citation

Sotheby & Co. Catalogue of Fine Illuminated Manuscripts Comprising ... the Hornby Collection ... Which Will Be Sold by Auction ... on Tuesday, the 29th of November, 1949. Sotheby and Co, 1949.

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