Enneads

MLA

Plotinus, Porphyry, and A. H Armstrong. Enneads. Reprint Cambridge (Mass.): Harvard university press, 2006.

APA

Plotinus, P., Porphyry, P., & Armstrong, A. H. (2006). Enneads. Reprint Cambridge (Mass.): Harvard university press.

Chicago

Plotinus., and Porphyry. Enneads. Translated by A. H. Armstrong. Reprint Cambridge (Mass.): Harvard university press, 2006.