APA (7th ed.) Citation

(1939). Papst Pius XII. <<[s. n.]>>.

Chicago Style (17th ed.) Citation

Papst Pius XII. <<[s. l.]>>: <<[s. n.]>>, 1939.

MLA (9th ed.) Citation

Papst Pius XII. <<[s. n.]>>, 1939.

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