Cita APA (7th ed.)
Shepard, J. M. (1993). Sociology (5th.ed.). West.
Cita Chicago (17th ed.)
Shepard, Jon M. Sociology. 5th.ed. Minneapolis: West, 1993.
Cita MLA (9th ed.)
Shepard, Jon M. Sociology. 5th.ed. West, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.