Cita APA (7th ed.)
Cullmann, O. (1956). The early church. SCM Press Ltd.
Cita Chicago (17th ed.)
Cullmann, Oscar. The Early Church. London: SCM Press Ltd, 1956.
Cita MLA (9th ed.)
Cullmann, Oscar. The Early Church. SCM Press Ltd, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.