APA (7th ed.) Citation

Sotheby & Co. (1948). Catalogue of a selected portion of the very choice and valuable library formed by the late Herman Marx ... which will be sold be auction ... on Monday, the 19th of April, 1948. Sotheby and Co.

Chicago Style (17th ed.) Citation

Sotheby & Co. Catalogue of a Selected Portion of the Very Choice and Valuable Library Formed by the Late Herman Marx ... Which Will Be Sold Be Auction ... on Monday, the 19th of April, 1948. London: Sotheby and Co, 1948.

MLA (9th ed.) Citation

Sotheby & Co. Catalogue of a Selected Portion of the Very Choice and Valuable Library Formed by the Late Herman Marx ... Which Will Be Sold Be Auction ... on Monday, the 19th of April, 1948. Sotheby and Co, 1948.

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