@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", }