Cita APA (7th ed.)

Zeller, E. (1931). Outlines of the history of greek philosophy (3a. ed.). Routledge & Kegan Paul.

Cita Chicago (17th ed.)

Zeller, Eduard. Outlines of the History of Greek Philosophy. 3a. ed. Londres: Routledge & Kegan Paul, 1931.

Cita MLA (9th ed.)

Zeller, Eduard. Outlines of the History of Greek Philosophy. 3a. ed. Routledge & Kegan Paul, 1931.