APA (7e ed.) Bronvermelding
Sotheby's. (1999). Sotheby's: London, Friday 21 May 1999 : Fine Printed and Manuscript Music. Sotheby's.
Chicago (17e ed.) Bronvermelding
Sotheby's. Sotheby's: London, Friday 21 May 1999 : Fine Printed and Manuscript Music. Londres, Inglaterra: Sotheby's, 1999.
MLA (9e ed.) Bronvermelding
Sotheby's. Sotheby's: London, Friday 21 May 1999 : Fine Printed and Manuscript Music. Sotheby's, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.