Cita APA (7th ed.)

Schopenahuer, A. (1967). La libertad. Prometeo.

Cita Chicago (17th ed.)

Schopenahuer, Arthur. La Libertad. Valencia: Prometeo, 1967.

Cita MLA (9th ed.)

Schopenahuer, Arthur. La Libertad. Prometeo, 1967.