APA (7th ed.) Citation

Scott, R., & Boyero, C. (2001). Los duelistas: The duellists. El Mundo.

Chicago Style (17th ed.) Citation

Scott, Ridley, and Carlos Boyero. Los Duelistas: The Duellists. Madrid: El Mundo, 2001.

MLA (9th ed.) Citation

Scott, Ridley, and Carlos Boyero. Los Duelistas: The Duellists. El Mundo, 2001.

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