APA stil citiranja

Eco, U., & McEwen, A. (2007). On ugliness: On ugliness. New York: Rizzoli.

Chicago stil citiranja

Eco, Umberto, and Alastair McEwen. On ugliness: On ugliness. New York: Rizzoli, 2007.

MLA stil citiranja

Eco, Umberto, and Alastair McEwen. On ugliness: On ugliness. New York: Rizzoli, 2007.

Napomena: Ova citiranost nije uvijek 100% točna.