Kornblum, W., Julian, J., & Smith, C. D. (1992). Social Problems (7th ed.). Prentice Hall.
Cita Chicago (17th ed.)Kornblum, William, Joseph Julian, i Carolyn D. Smith. Social Problems. 7th ed. New Jersey: Prentice Hall, 1992.
Cita MLA (9th ed.)Kornblum, William, et al. Social Problems. 7th ed. Prentice Hall, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.