Eco, U. (1990). Foucalt's pendulum. Ballantine Books.
Chicago Style (17th ed.) CitationEco, Umberto. Foucalt's Pendulum. New York: Ballantine Books, 1990.
MLA (9th ed.) CitationEco, Umberto. Foucalt's Pendulum. Ballantine Books, 1990.
Warning: These citations may not always be 100% accurate.