APA (7th ed.) Citation

Vervoort, C. E. (1949). Pius XII. Pergamon.

Chicago Style (17th ed.) Citation

Vervoort, Constant E. Pius XII. Antwerpen Zürich Bonn: Pergamon, 1949.

MLA (8th ed.) Citation

Vervoort, Constant E. Pius XII. Pergamon, 1949.

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