An aristocracy of money in the early Middle ages.

MLA

Lopez, Roberto Sabatino. An Aristocracy of Money In the Early Middle Ages. Cambridge, Mass.: Mediaeval Academy of America, 1953.

APA

Lopez, R. Sabatino. (1953). An aristocracy of money in the early Middle ages. Cambridge, Mass.: Mediaeval Academy of America.

Chicago

Lopez, Roberto Sabatino, An Aristocracy of Money In the Early Middle Ages. Cambridge, Mass.: Mediaeval Academy of America, 1953.