Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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