(1957). Catalogue of valuable printed books ..: Day of sale: Monday, 21st and Tuesday, 22nd October 1957. Sotheby & Co.
Chicago Style (17th ed.) CitationCatalogue of Valuable Printed Books ..: Day of Sale: Monday, 21st and Tuesday, 22nd October 1957. London: Sotheby & Co, 1957.
MLA (9th ed.) CitationCatalogue of Valuable Printed Books ..: Day of Sale: Monday, 21st and Tuesday, 22nd October 1957. Sotheby & Co, 1957.
Warning: These citations may not always be 100% accurate.