@book{50813,
	author = {Jaffe, Abram J.},
	title = {Puerto Rican population of New York City},
	publisher = {Arno Press},
	year = {1975.},
	series = {[The Puerto Rican experience]},
	address = {New York},
	note = {Reprint of the 1954 ed. published by the Bureau of Applied Social Research, Columbia University, New York.}
}