@book{305124,
	author = {University of Puerto Rico (Río Piedras Campus).},
	title = {Op. cit. :},
	publisher = {Oficina de Publicaciones, Facultad de Humanidades, Departamento de Historia, Universidad de Puerto Rico,},
	year = {1986-},
	address = {Río Piedras, P.R. :},
	note = {Subtitle varies.},
	url = {https://revistas.upr.edu/index.php/opcit/issue/archive}
}