Cita APA (7th ed.)
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Sotheby's.
Cita Chicago (17th ed.)
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Londres, Inglaterra: Sotheby's.
Cita MLA (9th ed.)
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Sotheby's.
Atenció: Aquestes cites poden no estar 100% correctes.