APA (7th ed.) Citation

Barth, K., & Bultmann, R. (1971). Briefwechsel: 1922 - 1966. Theol. Verl.

Chicago Style (17th ed.) Citation

Barth, Karl, and Rudolf Bultmann. Briefwechsel: 1922 - 1966. Zürich: Theol. Verl, 1971.

MLA (9th ed.) Citation

Barth, Karl, and Rudolf Bultmann. Briefwechsel: 1922 - 1966. Theol. Verl, 1971.

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