APA (7th ed.) Citation

Noldin, H., & Schmitt, A. (1945). De principiis: Scholarum usui (27a ed.). Herder.

Chicago Style (17th ed.) Citation

Noldin, H., and Albert Schmitt. De Principiis: Scholarum Usui. 27a ed. Barcelona: Herder, 1945.

MLA (9th ed.) Citation

Noldin, H., and Albert Schmitt. De Principiis: Scholarum Usui. 27a ed. Herder, 1945.

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