(1929). Um das Firmungsalter. Katechetische Blätter, 55(10), 468-472.
Chicago Style (17th ed.) Citation"Um Das Firmungsalter." Katechetische Blätter 55, no. 10 (1929): 468-472.
MLA (9th ed.) Citation"Um Das Firmungsalter." Katechetische Blätter, vol. 55, no. 10, 1929, pp. 468-472.
Warning: These citations may not always be 100% accurate.
