APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.