APA (7th ed.) Citation

Barth, K., & Brunner, E. (1934). Nein!: Antwort an Emil Brunner. Theologische Existenz heute.

Chicago Style (17th ed.) Citation

Barth, Karl, and Emil Brunner. "Nein!: Antwort an Emil Brunner." Theologische Existenz Heute 1934.

MLA (9th ed.) Citation

Barth, Karl, and Emil Brunner. "Nein!: Antwort an Emil Brunner." Theologische Existenz Heute, 1934.

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