Cita APA (7a ed.)
Sotheby's. (1998). Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Sotheby's.
Cita estilo Chicago (17a ed.)
Sotheby's. Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Londres, Inglaterra: Sotheby's, 1998.
Cita MLA (9a ed.)
Sotheby's. Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Sotheby's, 1998.
Precaución: Estas citas no son 100% exactas.