Cita APA (7th ed.)
Umberg, J. B. (1930). Sacramenta efficiunt, quod significant. Rauch.
Cita Chicago (17th ed.)
Umberg, Johannes Baptista. Sacramenta Efficiunt, Quod Significant. Innsbruck: Rauch, 1930.
Cita MLA (9th ed.)
Umberg, Johannes Baptista. Sacramenta Efficiunt, Quod Significant. Rauch, 1930.
Atenció: Aquestes cites poden no estar 100% correctes.