Cita APA (7a ed.)

Wilson, B. C., & Ruh, U. (1999). Christentum. Herder.

Cita Chicago Style (17a ed.)

Wilson, Brian C., y Ulrich Ruh. Christentum. Freiburg [etc.]: Herder, 1999.

Cita MLA (9a ed.)

Wilson, Brian C., y Ulrich Ruh. Christentum. Herder, 1999.