Micklem, N., Hauer, J. W., & Rühle, O. (1952). Was ist Religion? Kohlhammer.
Citazione stile Chigago Style (17a edizione)Micklem, Nathaniel, Jakob Wilhelm Hauer, e Oskar Rühle. Was Ist Religion? Stuttgart: Kohlhammer, 1952.
Citatione MLA (8a ed.)Micklem, Nathaniel, et al. Was Ist Religion? Kohlhammer, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.