Cita APA (7th ed.)

Nell-Breuning, O. v., & Sacher, H. (1951). Beiträge A - L. Herder.

Cita Chicago (17th ed.)

Nell-Breuning, Oswald von, i Hermann Sacher. Beiträge A - L. Freiburg: Herder, 1951.

Cita MLA (8th ed.)

Nell-Breuning, Oswald von, i Hermann Sacher. Beiträge A - L. Herder, 1951.