Witt, J. (2011). SOC (2nd ed., 2011 ed.). McGraw-Hill.
Cita Chicago (17th ed.)Witt, Jon. SOC. 2nd ed., 2011 ed. New York: McGraw-Hill, 2011.
Cita MLA (9th ed.)Witt, Jon. SOC. 2nd ed., 2011 ed. McGraw-Hill, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.