APA-referens (7:e uppl.)

Cullmann, O. (1953). Early Christian worship. H. Regnery.

Chicago-referens (17:e uppl.)

Cullmann, Oscar. Early Christian Worship. Chicago: H. Regnery, 1953.

MLA-referens (8:e uppl.)

Cullmann, Oscar. Early Christian Worship. H. Regnery, 1953.