Cita APA (7th ed.)
Robertson, I. (1987). Sociology (3rd ed.). Worth publishers.
Cita Chicago (17th ed.)
Robertson, Ian. Sociology. 3rd ed. New York: Worth publishers, 1987.
Cita MLA (9th ed.)
Robertson, Ian. Sociology. 3rd ed. Worth publishers, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.