Cita APA (7th ed.)
Sotheby's. (2001). Sotheby's: London, Thursday 21 June 2001 : Jewels : 20th Century and Contemporary. Sotheby's.
Cita Chicago (17th ed.)
Sotheby's. Sotheby's: London, Thursday 21 June 2001 : Jewels : 20th Century and Contemporary. Londres, Inglaterra: Sotheby's, 2001.
Cita MLA (9th ed.)
Sotheby's. Sotheby's: London, Thursday 21 June 2001 : Jewels : 20th Century and Contemporary. Sotheby's, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.