Cita APA (7a ed.)
Sotheby's. (1997). Sotheby's: London, Thursday 20 March 1997 : Old Master, 19th and 20th Century and Contemporary Prints. Sotheby's.
Cita estilo Chicago (17a ed.)
Sotheby's. Sotheby's: London, Thursday 20 March 1997 : Old Master, 19th and 20th Century and Contemporary Prints. Londres, Inglaterra: Sotheby's, 1997.
Cita MLA (9a ed.)
Sotheby's. Sotheby's: London, Thursday 20 March 1997 : Old Master, 19th and 20th Century and Contemporary Prints. Sotheby's, 1997.
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