APA (7th ed.) Citation

Heidegger, M., & Beaufret, J. (1949). Über den Humanismus. Vittorio Klostermann.

Chicago Style (17th ed.) Citation

Heidegger, Martin, and Jean Beaufret. Über Den Humanismus. Frankfurt: Vittorio Klostermann, 1949.

MLA (8th ed.) Citation

Heidegger, Martin, and Jean Beaufret. Über Den Humanismus. Vittorio Klostermann, 1949.

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