Cita APA (7a ed.)

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.