APA (7th ed.) Citation

Bowles, P., & Bernárdez, A. El cielo protector.

Chicago Style (17th ed.) Citation

Bowles, Paul, and Aurora Bernárdez. El Cielo Protector. Barcelona.

MLA (9th ed.) Citation

Bowles, Paul, and Aurora Bernárdez. El Cielo Protector.

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