Cita APA (7th ed.)

Plotino. (1952). The six enneads. Encyclopaedia Britannica.

Cita Chicago (17th ed.)

Plotino. The Six Enneads. Chicago: Encyclopaedia Britannica, 1952.

Cita MLA (9th ed.)

Plotino. The Six Enneads. Encyclopaedia Britannica, 1952.