APA (7th ed.) Citation

Plotinus, Armstrong, A. H., Henry, P., & Schwyzer, H. (1966). Plotinus. Heinemann; Harvard U.P..

Chicago Style (17th ed.) Citation

Plotinus, A. H. Armstrong, Paul Henry, and Hans-Rudolf Schwyzer. Plotinus. London, Cambridge (Mass.): Heinemann; Harvard U.P., 1966.

MLA (8th ed.) Citation

Plotinus, et al. Plotinus. Heinemann; Harvard U.P., 1966.