APA (7th ed.) Citation

Darío, R., & Valera, J. (1939). Azul. (2a ed.). Espasa-Calpe.

Chicago Style (17th ed.) Citation

Darío, Rubén, and Juan Valera. Azul. 2a ed. Madrid: Espasa-Calpe, 1939.

MLA (9th ed.) Citation

Darío, Rubén, and Juan Valera. Azul. 2a ed. Espasa-Calpe, 1939.

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