APA (7th ed.) Citation

Armstrong, H. (1979). Plotinian and Christian studies. Variorum collected studies series.

Chicago Style (17th ed.) Citation

Armstrong, Hilary. "Plotinian and Christian Studies." Variorum Collected Studies Series 1979.

MLA (9th ed.) Citation

Armstrong, Hilary. "Plotinian and Christian Studies." Variorum Collected Studies Series, 1979.

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