APA (7th ed.) Citation

Troeltsch, E., Troeltsch, M., Le Fort, G. v., & Paul, G. E. (1991). The christian faith: Based on lectures delivered at the University of Heidelberg in 1912 and 1913. Fortress Press.

Chicago Style (17th ed.) Citation

Troeltsch, Ernst, Marta Troeltsch, Gertrud von Le Fort, and Garrett E. Paul. The Christian Faith: Based on Lectures Delivered at the University of Heidelberg in 1912 and 1913. Minneapolis: Fortress Press, 1991.

MLA (9th ed.) Citation

Troeltsch, Ernst, et al. The Christian Faith: Based on Lectures Delivered at the University of Heidelberg in 1912 and 1913. Fortress Press, 1991.