@book{
title = {The mayor of Casterbridge},
author = {Jones, Lewis},
editor = {Gray, Gordon},
editor = {Gray, Maureen},
editor = {Hardy, Thomas},
editor = {Versione semplificata e abbreviata ad uso scolastico },
editor = {Con apparato didattico },
year = {1979},
address = {London [etc.] },
publisher = {Collins},
}