De officiis

MLA

Cicero, Marcus Tullius, and Walter Miller. De Officiis. Repr. of the 1913 ed. Cambridge (Mass.): Harvard university, .

APA

Cicero, M. Tullius, & Miller, W. (.). De officiis. Repr. of the 1913 ed. Cambridge (Mass.): Harvard university.

Chicago

Cicero, Marcus Tullius, De Officiis. Translated by Walter Miller. Repr. of the 1913 ed. Cambridge (Mass.): Harvard university, ..