APA (7th ed.) Citation

Bauch, B., & Ewald, O. (1921). Geschichte der Philosophie. De Gruyter.

Chicago Style (17th ed.) Citation

Bauch, Bruno, and Oskar Ewald. Geschichte Der Philosophie. Berlin [u.a.]: De Gruyter, 1921.

MLA (8th ed.) Citation

Bauch, Bruno, and Oskar Ewald. Geschichte Der Philosophie. De Gruyter, 1921.

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