@book{57350,
	author = {Roldán, Gustavo and Rojas, Óscar},
	title = {Historias del piojo},
	publisher = {Educactiva},
	year = {1998},
	series = {Torre de Papel. Roja},
	address = {Bogotá, Colombia},
	edition = {1a. edición}
}
