APA (7th ed.) Citation

Heidegger, M., & Runes, D. D. German existentialism.

Chicago Style (17th ed.) Citation

Heidegger, Martin, and Dagobert D. Runes. German Existentialism.

MLA (9th ed.) Citation

Heidegger, Martin, and Dagobert D. Runes. German Existentialism.

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