Mays, J. B. (1959). On the threshold of delinquency. Univ. Pr.
Cita Chicago Style (17a ed.)Mays, John Barron. On the Threshold of Delinquency. Liverpool: Univ. Pr, 1959.
Cita MLA (8a ed.)Mays, John Barron. On the Threshold of Delinquency. Univ. Pr, 1959.
Precaución: Estas citas no son 100% exactas.