Cita APA (7th ed.)
Echard, S. (2008). Printing the Middle Ages. PENN/University of Pennsylvania Press.
Cita Chicago (17th ed.)
Echard, Siân. Printing the Middle Ages. Philadelphia: PENN/University of Pennsylvania Press, 2008.
Cita MLA (9th ed.)
Echard, Siân. Printing the Middle Ages. PENN/University of Pennsylvania Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.