Cita APA (7th ed.)
Sotheby's. (1999). Sotheby's: New York, April 22-25, 1999 : The Estate of Mrs. John Hay Whitney. Sotheby's.
Cita Chicago (17th ed.)
Sotheby's. Sotheby's: New York, April 22-25, 1999 : The Estate of Mrs. John Hay Whitney. Nueva York, EUA: Sotheby's, 1999.
Cita MLA (9th ed.)
Sotheby's. Sotheby's: New York, April 22-25, 1999 : The Estate of Mrs. John Hay Whitney. Sotheby's, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.