APA (7th ed.) Citation

Eco, U. (1990). Foucault's pendulum. Random House Publishing Group.

Chicago Style (17th ed.) Citation

Eco, Umberto. Foucault's Pendulum. New York: Random House Publishing Group, 1990.

MLA (9th ed.) Citation

Eco, Umberto. Foucault's Pendulum. Random House Publishing Group, 1990.