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.
警告:這些引文格式不一定是100%准確.