Art and Beauty in the Middle Ages.

MLA

Eco, Umberto. Art and Beauty In the Middle Ages. New Haven-Connecticut: Yale University Press, 1986.

APA

Eco, U. (1986). Art and Beauty in the Middle Ages. New Haven-Connecticut: Yale University Press.

Chicago

Eco, Umberto Art and Beauty In the Middle Ages. New Haven-Connecticut: Yale University Press, 1986.