Style de citation APA (7e éd.)

Niebuhr, H. R., & Niebuhr, R. R. (1989). Faith on earth: An inquiry into the structure of human faith. Yale University Press.

Style de citation Chicago (17e éd.)

Niebuhr, H. Richard, et Richard R. Niebuhr. Faith on Earth: An Inquiry into the Structure of Human Faith. New Haven, CT: Yale University Press, 1989.

Style de citation MLA (8e éd.)

Niebuhr, H. Richard, et Richard R. Niebuhr. Faith on Earth: An Inquiry into the Structure of Human Faith. Yale University Press, 1989.