APA (7th ed.) Citation

Sotheby & Co. (1968). Catalogue principally of Diaghilev Ballet material: Décor and costume designs, portraits and posters ... which will be sold by auction. Sotheby.

Chicago Style (17th ed.) Citation

Sotheby & Co. Catalogue Principally of Diaghilev Ballet Material: Décor and Costume Designs, Portraits and Posters ... Which Will Be Sold by Auction. London: Sotheby, 1968.

MLA (8th ed.) Citation

Sotheby & Co. Catalogue Principally of Diaghilev Ballet Material: Décor and Costume Designs, Portraits and Posters ... Which Will Be Sold by Auction. Sotheby, 1968.

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