APA-viite (7. p.)
Sotheby's. (1998). Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Sotheby's.
Chicago-viite (17. p.)
Sotheby's. Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Londres, Inglaterra: Sotheby's, 1998.
MLA-viite (9. p.)
Sotheby's. Sotheby's: London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments. Sotheby's, 1998.
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