Tienda, M. (1989). Puerto Ricans and the Underclass Debate. The annals of the American Academy of Political and Social Science, 501, 105-119. doi:10.1177/0002716289501001007
Cita Chicago Style (17a ed.)Tienda, Marta. "Puerto Ricans and the Underclass Debate." The Annals of the American Academy of Political and Social Science 501 (1989): 105-119. https://doi.org/10.1177/0002716289501001007.
Cita MLA (9a ed.)Tienda, Marta. "Puerto Ricans and the Underclass Debate." The Annals of the American Academy of Political and Social Science, vol. 501, 1989, pp. 105-119, https://doi.org/10.1177/0002716289501001007.
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