APA
Cullmann O., . (1978). Early Christian worship. London: SCM Press LTD.
Chicago
Cullmann Oscar, . 1978. Early Christian worship. London: SCM Press LTD.
Harvard
Cullmann O., . (1978). Early Christian worship. London: SCM Press LTD.
MLA
Cullmann Oscar, . Early Christian worship. London: SCM Press LTD. 1978.
