Sotheby's. (2013). Francis Bacon: Study for portrait of P. L. : Contemporary art, evening auction, 14 May 2013 7pm. lot. 23. Sotheby's.
Cita Chicago Style (17a ed.)Sotheby's. Francis Bacon: Study for Portrait of P. L. : Contemporary Art, Evening Auction, 14 May 2013 7pm. Lot. 23. New York: Sotheby's, 2013.
Cita MLA (9a ed.)Sotheby's. Francis Bacon: Study for Portrait of P. L. : Contemporary Art, Evening Auction, 14 May 2013 7pm. Lot. 23. Sotheby's, 2013.
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