Style de citation APA (7e éd.)

Unger, R. W. (2004). Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press.

Style de citation Chicago (17e éd.)

Unger, Richard W. Beer in the Middle Ages and the Renaissance. Philadelphia: University of Pennsylvania Press, 2004.

Style de citation MLA (8e éd.)

Unger, Richard W. Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press, 2004.