APA (7th ed.) Citation

Sotheby's (Firm) & Sotheby's (Firm). (1979). Photographic images and related material. Sotheby's.

Chicago Style (17th ed.) Citation

Sotheby's (Firm) and Sotheby's (Firm). Photographic Images and Related Material. London: Sotheby's, 1979.

MLA (9th ed.) Citation

Sotheby's (Firm) and Sotheby's (Firm). Photographic Images and Related Material. Sotheby's, 1979.

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