Sotheby's (Firm). (1991). Musical instruments: Day of sale, Thursday 6th July 1991 at 10:30 am in the Conduit Street Gallery, 1-2 St George Street, London W1. Sotheby's.
Chicago Style (17th ed.) CitationSotheby's (Firm). Musical Instruments: Day of Sale, Thursday 6th July 1991 at 10:30 Am in the Conduit Street Gallery, 1-2 St George Street, London W1. London: Sotheby's, 1991.
MLA (9th ed.) CitationSotheby's (Firm). Musical Instruments: Day of Sale, Thursday 6th July 1991 at 10:30 Am in the Conduit Street Gallery, 1-2 St George Street, London W1. Sotheby's, 1991.
Warning: These citations may not always be 100% accurate.