APA (7th ed.) Citation

Sotheby's (Firm). (1988). Illustrated books, children's book and related drawings. Sotheby's.

Chicago Style (17th ed.) Citation

Sotheby's (Firm). Illustrated Books, Children's Book and Related Drawings. London: Sotheby's, 1988.

MLA (9th ed.) Citation

Sotheby's (Firm). Illustrated Books, Children's Book and Related Drawings. Sotheby's, 1988.

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