APA (7th ed.) Citation
Niebuhr, H. R., & Niebuhr, R. R. (1989). Faith on earth: An inquiry into the structure of human faith. Yale University Press.
Chicago Style (17th ed.) Citation
Niebuhr, H. Richard, and Richard R. Niebuhr. Faith on Earth: An Inquiry into the Structure of Human Faith. New Haven, CT: Yale University Press, 1989.
MLA (9th ed.) Citation
Niebuhr, H. Richard, and Richard R. Niebuhr. Faith on Earth: An Inquiry into the Structure of Human Faith. Yale University Press, 1989.
Warning: These citations may not always be 100% accurate.