@Misc{BVMC:278892,
author = {Echeverría, Esteban},
title = {Carta de Esteban Echeverría a Juan Bautista Alberdi (23-6-1849)},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010},
year = {2010},
url = {http://www.cervantesvirtual.com/nd/ark:/59851/bmcqn6q1}
}