APA (7th ed.) Citation

Maass, F. (1982). Was ist Christentum (3a ed.). Mohr.

Chicago Style (17th ed.) Citation

Maass, Fritz. Was Ist Christentum. 3a ed. Tübingen: Mohr, 1982.

MLA (9th ed.) Citation

Maass, Fritz. Was Ist Christentum. 3a ed. Mohr, 1982.

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