Bultmann, R. K. (1997). What is theology? (1st Fortress Press ed.). Minneapolis MN: Fortress Press.
Чикагска система за цитиранеBultmann, Rudolf Karl. What Is Theology? 1st Fortress Press ed. Minneapolis MN: Fortress Press, 1997.
MLA формат за цитиранеBultmann, Rudolf Karl. What Is Theology? 1st Fortress Press ed. Minneapolis MN: Fortress Press, 1997.
Внимание: Тези цитати може да не са 100% точни.