@book{31036,
	author = {Siegel, Arthur I. and Orlans, Harold},
	title = {Puerto Ricans in Philadelphia},
	publisher = {Arno Press},
	year = {1975.},
	series = {[The Puerto Rican experience]},
	address = {New York},
	note = {Reprint of the 1954 ed. published by the Commission on Human Relations, Philadelphia.}
}