APA (7th ed.) Citation

Kellner, L. (1928). Nachtrag. Katechetische Blätter, 54(12), 553-554.

Chicago Style (17th ed.) Citation

Kellner, Lorenz. "Nachtrag." Katechetische Blätter 54, no. 12 (1928): 553-554.

MLA (9th ed.) Citation

Kellner, Lorenz. "Nachtrag." Katechetische Blätter, vol. 54, no. 12, 1928, pp. 553-554.

Warning: These citations may not always be 100% accurate.