Cita APA (7a ed.)

Orígenes 185-ca. 254 & O'Meara, J. J. (1954). Prayer ; Exhortation to Martyrdom. The Newman Press [etc.].

Cita Chicago Style (17a ed.)

Orígenes 185-ca. 254 y John J. O'Meara. Prayer ; Exhortation to Martyrdom. Westminster (Maryland) [etc.]: The Newman Press [etc.], 1954.

Cita MLA (9a ed.)

Orígenes 185-ca. 254 y John J. O'Meara. Prayer ; Exhortation to Martyrdom. The Newman Press [etc.], 1954.