Cita APA (7th ed.)
Unger, R. W. (2004). Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press.
Cita Chicago (17th ed.)
Unger, Richard W. Beer in the Middle Ages and the Renaissance. Philadelphia: University of Pennsylvania Press, 2004.
Cita MLA (9th ed.)
Unger, Richard W. Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.