APA (7th ed.) Citation

Noldin, H., Schönegger, A., & Schmitt, A. (1945). Summa theologiae moralis. Editorial Herder.

Chicago Style (17th ed.) Citation

Noldin, Hieronymus, Artur Schönegger, and Albert Schmitt. Summa Theologiae Moralis. Barcelona [etc.]: Editorial Herder, 1945.

MLA (9th ed.) Citation

Noldin, Hieronymus, et al. Summa Theologiae Moralis. Editorial Herder, 1945.