@book{
title = {M. Tulli Ciceronis Pro Sex. Roscio Amerino ; De imperio Cn. Pompei},
author = {Cicero, Marcus Tullius},
editor = {Colombo, Sisto},
editor = {De imperio Cn. Pompei -  },
year = {1942},
address = {Aug. Taurinorum [etc.] },
publisher = {in aedibus Io. Bapt. Paraviae et Sociorum},
}