Sotheby Parke Bernet Group. (1980). Ephemera from the sixteenth century to the present day. Sotheby.
Chicago Edition CitationSotheby Parke Bernet Group. Ephemera from the Sixteenth Century to the Present Day. London: Sotheby, 1980.
MLA Edition CitationSotheby Parke Bernet Group. Ephemera from the Sixteenth Century to the Present Day. Sotheby, 1980.
Warning: These citations may not always be 100% accurate.