@book{120279,
	author = {Schapiro, J. Salwyn and Enguídanos, Miguel.},
	title = {Un mundo en crisis},
	publisher = {Ediciones de la Universidad de Puerto Rico},
	year = {1960.},
	series = {Manuales y tratados},
	address = {San Juan},
	note = {Translation of : The world in crisis.}
}