APA (7th ed.) Citation

Warhol, A. (1999). Andy Warhol prints: Auction: Saturday, November 6, 1999 .. Sotheby's.

Chicago Style (17th ed.) Citation

Warhol, Andy. Andy Warhol Prints: Auction: Saturday, November 6, 1999 .. New York: Sotheby's, 1999.

MLA (9th ed.) Citation

Warhol, Andy. Andy Warhol Prints: Auction: Saturday, November 6, 1999 .. Sotheby's, 1999.

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