APA استشهاد

Eco, U., & McEwen, A. (1997). Kant and the platypus: Essays on language and cognition. Secker & Warburg.

استشهاد بنمط شيكاغو

Eco, Umberto, و Alastair McEwen. Kant and the Platypus: Essays on Language and Cognition. London: Secker & Warburg, 1997.

MLA استشهاد

Eco, Umberto, و Alastair McEwen. Kant and the Platypus: Essays on Language and Cognition. Secker & Warburg, 1997.