APA (7th ed.) Zitazioa
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Sotheby's.
Chicago Style (17th ed.) Zitazioa
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Londres, Inglaterra: Sotheby's.
MLA (9th ed.) Zitazioa
Sotheby's. Sotheby's: London, Thursday 27th and Friday 28th November 1986 : Continental Printed Books, Manuscripts and Music. Sotheby's.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.