Cita APA (7th ed.)
Schaefer, R. T., & Lamm, R. P. (1995). Sociology (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Schaefer, Richard T., i Robert P. Lamm. Sociology. 5th ed. New York: McGraw-Hill, 1995.
Cita MLA (9th ed.)
Schaefer, Richard T., i Robert P. Lamm. Sociology. 5th ed. McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.