APA (7th ed.) Citation

Drewermann, E., Biser, E., & Albus, M. (1993). Welches Credo? (Originalausg.). Herder.

Chicago Style (17th ed.) Citation

Drewermann, Eugen, Eugen Biser, and Michael Albus. Welches Credo? Originalausg. Freiburg i. Br. [u.a.]: Herder, 1993.

MLA (9th ed.) Citation

Drewermann, Eugen, et al. Welches Credo? Originalausg. Herder, 1993.

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