Churchill, W. A. (2006). Watermarks in paper in Holland, England, France, etc., in the XVII and XVIII centuries and their interconnection. Martino Pub..
Chicago-Zitierstil (17. Ausg.)Churchill, W. A. Watermarks in Paper in Holland, England, France, Etc., in the XVII and XVIII Centuries and Their Interconnection. Mansfield Centre, CT: Martino Pub., 2006.
MLA-Zitierstil (8. Ausg.)Churchill, W. A. Watermarks in Paper in Holland, England, France, Etc., in the XVII and XVIII Centuries and Their Interconnection. Martino Pub., 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.