APA (7th ed.) Citation
Tello, N., Sanguiliano, H. A., Acher, D., & Kreimer, J. C. Umberto eco para pricipiantes.
Chicago Style (17th ed.) Citation
Tello, Nerio, Héctor Alberto Sanguiliano, Daniela Acher, and Juan Carlos Kreimer. Umberto Eco Para Pricipiantes.
MLA (9th ed.) Citation
Tello, Nerio, et al. Umberto Eco Para Pricipiantes.
Warning: These citations may not always be 100% accurate.