APA (7th ed.) Citation

Sotheby's (Firm). (1970). Catalogue of twentieth century Russian paintings, drawings and watercolours 1900-1925 / [Sotheby & Co.]. Sotheby & Co..

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Catalogue of Twentieth Century Russian Paintings, Drawings and Watercolours 1900-1925 / [Sotheby & Co.]. London: Sotheby & Co., 1970.

MLA (9th ed.) Citation

Sotheby's (Firm). Catalogue of Twentieth Century Russian Paintings, Drawings and Watercolours 1900-1925 / [Sotheby & Co.]. Sotheby & Co., 1970.

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