@book{
title = {The ransom of red chief },
author = {Clemen, Gina D. B.},
editor = {Henry, O.},
editor = {Renzi, Matt},
editor = {Versione semplificata ad uso scolastico },
editor = {Con apparato didattico },
year = {2004},
address = {Genova },
publisher = {Cideb},
}