Opera omnia

MLA

Cicero, Marcus Tullius, and Johann August Ernesti. Opera Omnia. Halle a.d. Saale: Waisenhaus [Orphanotropheum], 1774.

APA

Cicero, M. Tullius, & Ernesti, J. August. (1774). Opera omnia. Halle a.d. Saale: Waisenhaus [Orphanotropheum].

Chicago

Cicero, Marcus Tullius Opera Omnia. Edited by Johann August Ernesti. Halle a.d. Saale: Waisenhaus [Orphanotropheum], 1774.