Cita APA (7a ed.)
Sotheby's. (1999). Sotheby's: Geneva, Tuesday 18 May 1999 : Important Wristwatches and Watches. Sotheby's.
Cita estilo Chicago (17a ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 18 May 1999 : Important Wristwatches and Watches. Ginebra, Suiza: Sotheby's, 1999.
Cita MLA (9a ed.)
Sotheby's. Sotheby's: Geneva, Tuesday 18 May 1999 : Important Wristwatches and Watches. Sotheby's, 1999.
Precaución: Estas citas no son 100% exactas.