APA (7th ed.) Citation

Nell-Breuning, O. v., & Sacher, H. (1949). Zur sozialen Frage. Herder.

Chicago Style (17th ed.) Citation

Nell-Breuning, Oswald von, and Hermann Sacher. Zur Sozialen Frage. Freiburg: Herder, 1949.

MLA (9th ed.) Citation

Nell-Breuning, Oswald von, and Hermann Sacher. Zur Sozialen Frage. Herder, 1949.