APA aipamena

McKenna, S., Page, B. S., & Plotinus. (1987). The six enneads.

Chicago Style aipamena

McKenna, Stephen, B S. Page, and Plotinus. The Six Enneads. Chicago, Encyclopedia Britannica Inc, 1987.

MLA aipamena

McKenna, Stephen, et al. The Six Enneads. 1987.