APA (7th ed.) Citation

Guthrie, K. S. (1990). An English index to the Enneads of Plotinus (Repr.). Chthonois Books.

Chicago Style (17th ed.) Citation

Guthrie, Kenneth Sylvan. An English Index to the Enneads of Plotinus. Repr. Hastings: Chthonois Books, 1990.

MLA (9th ed.) Citation

Guthrie, Kenneth Sylvan. An English Index to the Enneads of Plotinus. Repr. Chthonois Books, 1990.

Warning: These citations may not always be 100% accurate.