Cita APA (7a ed.)

Eco, U. (2004). On beauty. Secker & Warburg.

Cita Chicago Style (17a ed.)

Eco, Umberto. On Beauty. London: Secker & Warburg, 2004.

Cita MLA (8a ed.)

Eco, Umberto. On Beauty. Secker & Warburg, 2004.