Elias, N. (1987). The retreat of sociologists into the present. [s.n.].
Cita Chicago Style (17a ed.)Elias, Norbert. The Retreat of Sociologists into the Present. [S.l.]: [s.n.], 1987.
Cita MLA (9a ed.)Elias, Norbert. The Retreat of Sociologists into the Present. [s.n.], 1987.
Precaución: Estas citas no son 100% exactas.