Cita APA (7th ed.)

Churchill, W. A. (1985). Watermarks in Paper in Holland, England, France, etc. in the XVII and XVIII Centuries and their Interconnection (Authorized Reprint of the edition Amsterdam, 1935.). B. de Graaf.

Cita Chicago (17th ed.)

Churchill, W. A. Watermarks in Paper in Holland, England, France, Etc. in the XVII and XVIII Centuries and Their Interconnection. Authorized Reprint of the edition Amsterdam, 1935. Nieuwkoop: B. de Graaf, 1985.

Cita MLA (8th ed.)

Churchill, W. A. Watermarks in Paper in Holland, England, France, Etc. in the XVII and XVIII Centuries and Their Interconnection. Authorized Reprint of the edition Amsterdam, 1935. B. de Graaf, 1985.