एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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