APA način citiranja

Eco, U., & McEwen, A. (2006). Turning back the clock. Harvillsecker.

Čikaški stil citiranja

Eco, Umberto, i Alastair McEwen. Turning Back the Clock. London: Harvillsecker, 2006.

MLA način citiranja

Eco, Umberto, i Alastair McEwen. Turning Back the Clock. Harvillsecker, 2006.