APA (7th ed.) Citation

Paolini, C., Kómet, S., & Hériz, E. d. (2012). Eragon. Roca editorial.

Chicago Style (17th ed.) Citation

Paolini, Christopher, Silvia Kómet, and Enrique de Hériz. Eragon. Bogotá: Roca editorial, 2012.

MLA (9th ed.) Citation

Paolini, Christopher, et al. Eragon. Roca editorial, 2012.