Cita APA (7a ed.)
Sotheby's. (1997). Sotheby's: Geneva, Tuesday 18th November 1997 : Important Wristwatches, Watches and Clocks. Sotheby's.
Cita estilo Chicago (17a ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 18th November 1997 : Important Wristwatches, Watches and Clocks. Ginebra, Suiza: Sotheby's, 1997.
Cita MLA (9a ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 18th November 1997 : Important Wristwatches, Watches and Clocks. Sotheby's, 1997.
Precaución: Estas citas no son 100% exactas.