APA (7th ed.) Citation

(2015). The collection of Robert S Pirie. Sotheby's.

Chicago Style (17th ed.) Citation

The Collection of Robert S Pirie. New York: Sotheby's, 2015.

MLA (9th ed.) Citation

The Collection of Robert S Pirie. Sotheby's, 2015.

Warning: These citations may not always be 100% accurate.