Cita APA (7a ed.)
Barr, K. E. M., Farrell, M. P., & Barnes, G. M. (1993). Race, class, and gender differences in substance abuse: Evidence of middle-class/underclass polarization among black males. Social Problems, 40, 314-328.
Cita Chicago Style (17a ed.)
Barr, Kellie E. M., Michael P. Farrell, y Grace M. Barnes. "Race, Class, and Gender Differences in Substance Abuse: Evidence of Middle-class/underclass Polarization Among Black Males." Social Problems 40 (1993): 314-328.
Cita MLA (9a ed.)
Barr, Kellie E. M., et al. "Race, Class, and Gender Differences in Substance Abuse: Evidence of Middle-class/underclass Polarization Among Black Males." Social Problems, vol. 40, 1993, pp. 314-328.
Precaución: Estas citas no son 100% exactas.