APA (7th ed.) Citation

Dahm, C. (1961). Johannes XXIII. Burda-Verlag.

Chicago Style (17th ed.) Citation

Dahm, Chrysostomus. Johannes XXIII. Offenburg (Baden): Burda-Verlag, 1961.

MLA (9th ed.) Citation

Dahm, Chrysostomus. Johannes XXIII. Burda-Verlag, 1961.

Warning: These citations may not always be 100% accurate.