Wrong, D. H. (1977). Population and society (4th ed.). Random House.
Cita Chicago (17th ed.)Wrong, Dennis H. Population and Society. 4th ed. New York: Random House, 1977.
Cita MLA (9th ed.)Wrong, Dennis H. Population and Society. 4th ed. Random House, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.