APA (7th ed.) Citation

Heers, J., Martín Ferrand, M., & Carbonell, L. (2003). Marco Polo. ABC.

Chicago Style (17th ed.) Citation

Heers, Jacques, Manuel Martín Ferrand, and Laureano Carbonell. Marco Polo. Madrid: ABC, 2003.

MLA (9th ed.) Citation

Heers, Jacques, et al. Marco Polo. ABC, 2003.