e-libro, Corp. (2011). Carta abierta. [s.n.].
Chicago Style (17th ed.) Citatione-libro, Corp. Carta Abierta. [Buenos Aires, Argentina]: [s.n.], 2011.
MLA (9th ed.) Citatione-libro, Corp. Carta Abierta. [s.n.], 2011.
Warning: These citations may not always be 100% accurate.