Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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