APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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