MLA

Vincent Van Gogh : Irises ; The Property of John Whitney Payson (sale London, Sotheby's, 11.11.1987). London: Sotheby's, 1987.

APA

(1987). Vincent van Gogh : Irises ; The Property of John Whitney Payson (Sale London, Sotheby's, 11.11.1987). London: Sotheby's.

Chicago

Vincent Van Gogh: Irises ; The Property of John Whitney Payson (sale London, Sotheby's, 11.11.1987). London: Sotheby's, 1987.