Cita APA (American Psychological Association)

Altonaga, K., & Elhuyar. Grand Canyon, benetako arrolia handia.

Citación Chicago Style

Altonaga, Kepa, and Elhuyar. Grand Canyon, Benetako Arrolia Handia.

Cita MLA (Modern Language Association of America)

Altonaga, Kepa, and Elhuyar. Grand Canyon, Benetako Arrolia Handia.