APA (7th ed.) Citation

Guthrie, K. S., & Plotinus 205-270. (1990). An English index to the Enneads of Plotinus. Chthonios Books.

Chicago Style (17th ed.) Citation

Guthrie, Kenneth Sylvan, and Plotinus 205-270. An English Index to the Enneads of Plotinus. Hastings: Chthonios Books, 1990.

MLA (9th ed.) Citation

Guthrie, Kenneth Sylvan, and Plotinus 205-270. An English Index to the Enneads of Plotinus. Chthonios Books, 1990.