Cita APA (7a ed.)

Plotino & Armstrong, A. H. (1966). Plotinus. William Heinemann [etc.].

Cita Chicago Style (17a ed.)

Plotino y Arthur Hilary Armstrong. Plotinus. London [etc.]: William Heinemann [etc.], 1966.

Cita MLA (9a ed.)

Plotino y Arthur Hilary Armstrong. Plotinus. William Heinemann [etc.], 1966.