Alföldy, G. (1974). The crisis of the third century as seen by contemporaries. [s.n.].
Cita Chicago Style (17a ed.)Alföldy, Géza. The Crisis of the Third Century as Seen by Contemporaries. [S.l.]: [s.n.], 1974.
Cita MLA (9a ed.)Alföldy, Géza. The Crisis of the Third Century as Seen by Contemporaries. [s.n.], 1974.
Precaución: Estas citas no son 100% exactas.