APA (7th ed.) Citation

Eco, U., & Pons Irazazábal, M. Historia de la belleza.

Chicago Style (17th ed.) Citation

Eco, Umberto, and Maria Pons Irazazábal. Historia De La Belleza. Barcelona.

MLA (9th ed.) Citation

Eco, Umberto, and Maria Pons Irazazábal. Historia De La Belleza.

Warning: These citations may not always be 100% accurate.