APA (7th ed.) Citation

Azud, J. The Key to the European House, European Confederation. A Memorandum of German Catholics on the Future of Europe.

Chicago Style (17th ed.) Citation

Azud, Ján. The Key to the European House, European Confederation. A Memorandum of German Catholics on the Future of Europe.

MLA (9th ed.) Citation

Azud, Ján. The Key to the European House, European Confederation. A Memorandum of German Catholics on the Future of Europe.

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