APA (7th ed.) Citation

Christophersen, A. (2011). Romano Guardini: Christentum und Humanismus.

Chicago Style (17th ed.) Citation

Christophersen, Alf. Romano Guardini: Christentum Und Humanismus. 2011.

MLA (9th ed.) Citation

Christophersen, Alf. Romano Guardini: Christentum Und Humanismus. 2011.

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