(1902). Formale Stufen. Katechetische Blätter, 28(11), 305.
Chicago Style (17th ed.) Citation"Formale Stufen." Katechetische Blätter 28, no. 11 (1902): 305.
MLA (9th ed.) Citation"Formale Stufen." Katechetische Blätter, vol. 28, no. 11, 1902, p. 305.
Warning: These citations may not always be 100% accurate.
