APA (7th ed.) Citation

ECO, U., & MANZANO, C. (1977). Tratado de semiótica general. Lumen.

Chicago Style (17th ed.) Citation

ECO, Umberto, and Carlos MANZANO. Tratado De Semiótica General. Barcelona: Lumen, 1977.

MLA (9th ed.) Citation

ECO, Umberto, and Carlos MANZANO. Tratado De Semiótica General. Lumen, 1977.

Warning: These citations may not always be 100% accurate.