Cita APA (7th ed.)
American Printing History Association. Printing history. [American Printing History Association].
Cita Chicago (17th ed.)
American Printing History Association. Printing History. [New York]: [American Printing History Association].
Cita MLA (9th ed.)
American Printing History Association. Printing History. [American Printing History Association].
Atenció: Aquestes cites poden no estar 100% correctes.