@book{129908,
	author = {Gontán José A.},
	title = {Historia político-social de Puerto Rico},
	editor = {Imp. Suc. de Vda. G. Sáez.},
	publisher = {s.n.]},
	year = {1974},
	address = {[s.l.},
	note = {"Apéndice": p. [389]-453.}
}