O'Brien, D. (1991). Plotinus on the origin of matter: An exercise in the interpretation of the Enneads. Bibliopolis.
Chicago Style (17th ed.) CitationO'Brien, Denis. Plotinus on the Origin of Matter: An Exercise in the Interpretation of the Enneads. Napoli: Bibliopolis, 1991.
MLA (9th ed.) CitationO'Brien, Denis. Plotinus on the Origin of Matter: An Exercise in the Interpretation of the Enneads. Bibliopolis, 1991.
Warning: These citations may not always be 100% accurate.