Cita APA (7th ed.)
Sotheby's. (1999). Sotheby's: Geneva, Tuesday 16 November 1999 : Important Wristwatches, Watches and Clocks. Sotheby's.
Cita Chicago (17th ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 16 November 1999 : Important Wristwatches, Watches and Clocks. Ginebra, Suiza: Sotheby's, 1999.
Cita MLA (9th ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 16 November 1999 : Important Wristwatches, Watches and Clocks. Sotheby's, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.