APA (7th ed.) Citation

Bowles, P. (1996). El cielo protector (7a. ed.). Alfaguara.

Chicago Style (17th ed.) Citation

Bowles, Paul. El Cielo Protector. 7a. ed. Madrid: Alfaguara, 1996.

MLA (9th ed.) Citation

Bowles, Paul. El Cielo Protector. 7a. ed. Alfaguara, 1996.

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