APA (7th ed.) Citation

Frank, C. (1949). Philosophia naturalis in usum scholarum 1. Herder.

Chicago Style (17th ed.) Citation

Frank, Carolo. Philosophia Naturalis in Usum Scholarum 1. Fiburgo: Herder, 1949.

MLA (9th ed.) Citation

Frank, Carolo. Philosophia Naturalis in Usum Scholarum 1. Herder, 1949.

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