APA (7th ed.) Citation
Sotheby's. (2013). Old Master Week: 25 January-2 February 2013. Sotheby's.
Chicago Style (17th ed.) Citation
Sotheby's. Old Master Week: 25 January-2 February 2013. Nueva York, EUA: Sotheby's, 2013.
MLA (9th ed.) Citation
Sotheby's. Old Master Week: 25 January-2 February 2013. Sotheby's, 2013.
Warning: These citations may not always be 100% accurate.