@book{Cicero2017,
author = {Cicero, Marcus Tullius},
editor = {Dettweiler, Peter},
year = {2017},
language = {ger},
language = {lat},
copyright = {https://creativecommons.org/public-domain/cc0/},
title = {M. Tullii Ciceronis De officiis libri tres},
url = "http://dx.doi.org/10.17169/refubium-24028",
}