Asimov, I., Shannon, D., & Torres Oliver, F. (2013). Amigos robots. Vicens Vives.
Chicago Style (17th ed.) CitationAsimov, Isaac, David Shannon, and Francisco Torres Oliver. Amigos Robots. Buenos Aires: Vicens Vives, 2013.
MLA (9th ed.) CitationAsimov, Isaac, et al. Amigos Robots. Vicens Vives, 2013.