APA (7th ed.) Citation

Eco, U. (1986). Art and beauty in the Middle Ages. Yale University Press.

Chicago Style (17th ed.) Citation

Eco, Umberto. Art and Beauty in the Middle Ages. New Haven ; London: Yale University Press, 1986.

MLA (9th ed.) Citation

Eco, Umberto. Art and Beauty in the Middle Ages. Yale University Press, 1986.