APA (7th ed.) Citation

Sotheby's (Firm). (1969). Catalogue of old master engravings, etchings and woodcuts ... which will be sold by auction by Sotheby & Co. .. Sotheby & Co Ltd.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Catalogue of Old Master Engravings, Etchings and Woodcuts ... Which Will Be Sold by Auction by Sotheby & Co. .. London: Sotheby & Co Ltd, 1969.

MLA (9th ed.) Citation

Sotheby's (Firm). Catalogue of Old Master Engravings, Etchings and Woodcuts ... Which Will Be Sold by Auction by Sotheby & Co. .. Sotheby & Co Ltd, 1969.

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