Cita APA (7a ed.)

Zeller, E. (1955). Outlines of the history of Greek philosophy (13th ed.). Meridian Books.

Cita Chicago Style (17a ed.)

Zeller, Eduard. Outlines of the History of Greek Philosophy. 13th ed. New York: Meridian Books, 1955.

Cita MLA (9a ed.)

Zeller, Eduard. Outlines of the History of Greek Philosophy. 13th ed. Meridian Books, 1955.