APA (7th ed.) Citation

Ostler, H. (1923). Hagemann, Georg, Metaphysik .. Katechetische Blätter, 49(5/6), 156-157.

Chicago Style (17th ed.) Citation

Ostler, Heinrich. "Hagemann, Georg, Metaphysik .." Katechetische Blätter 49, no. 5/6 (1923): 156-157.

MLA (9th ed.) Citation

Ostler, Heinrich. "Hagemann, Georg, Metaphysik .." Katechetische Blätter, vol. 49, no. 5/6, 1923, pp. 156-157.

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