Opera.
Ad optima exemplaria recognovit et in usum scholarum edidit Georg Ænotheus Koch.

APA Citation

Horace., Koch, G. Ænotheus. (1851). Opera: Ad optima exemplaria recognovit et in usum scholarum edidit Georg Ænotheus Koch. Ed. stereotypa. Lipsiæ: sumptibus Philippi Reclam jun.

MLA Citation

Horace, and Georg Ænotheus Koch. Opera: Ad Optima Exemplaria Recognovit Et In Usum Scholarum Edidit Georg Ænotheus Koch. Ed. stereotypa. Lipsiæ: sumptibus Philippi Reclam jun, 1851.

Warning: These citations may not always be complete (especially for serials).