APA-referens (7:e uppl.)

Eco, U. (1986). Art and beauty in the middle ages. Yale University.

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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