APA (7th ed.) Citation

BOYD, W., & GARCIA RIOS, B. (2007). Sin respiro. Alfaguara.

Chicago Style (17th ed.) Citation

BOYD, William, and Beatriz GARCIA RIOS. Sin Respiro. Madrid: Alfaguara, 2007.

MLA (9th ed.) Citation

BOYD, William, and Beatriz GARCIA RIOS. Sin Respiro. Alfaguara, 2007.

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