APA (7th ed.) Citation

Espinet, B., & Villar, R. (1979). El medi ambient. Dopesa.

Chicago Style (17th ed.) Citation

Espinet, Blai, and Rafael Villar. El Medi Ambient. Barcelona: Dopesa, 1979.

MLA (9th ed.) Citation

Espinet, Blai, and Rafael Villar. El Medi Ambient. Dopesa, 1979.

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