Boer, W. d. (1973). A pagan historian and his enemies: Porphyri against the christians. [s.n.].
Cita Chicago Style (17a ed.)Boer, Willem den. A Pagan Historian and His Enemies: Porphyri Against the Christians. [S.l.]: [s.n.], 1973.
Cita MLA (9a ed.)Boer, Willem den. A Pagan Historian and His Enemies: Porphyri Against the Christians. [s.n.], 1973.
Precaución: Estas citas no son 100% exactas.