APA (7th ed.) Citation

Willis, R. E., & Barth, K. (1971). The ethics of Karl Barth. Brill.

Chicago Style (17th ed.) Citation

Willis, Robert E., and Karl Barth. The Ethics of Karl Barth. Leiden: Brill, 1971.

MLA (9th ed.) Citation

Willis, Robert E., and Karl Barth. The Ethics of Karl Barth. Brill, 1971.

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