APA (7th ed.) Citation

Guill, A. (1929). Papst Pius XI. Kanisiuswerk.

Chicago Style (17th ed.) Citation

Guill, Anton. Papst Pius XI. Freiburg, Schweiz, München [u.a.]: Kanisiuswerk, 1929.

MLA (9th ed.) Citation

Guill, Anton. Papst Pius XI. Kanisiuswerk, 1929.

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