APA (7th ed.) Citation

Barth, K. (1950). Humanismus. Theologische Studien.

Chicago Style (17th ed.) Citation

Barth, Karl. "Humanismus." Theologische Studien 1950.

MLA (8th ed.) Citation

Barth, Karl. "Humanismus." Theologische Studien, 1950.

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