Gaya APA

Keiser, R, M. (1996). Roots of relational ethics: Responsibility in origin and maturity in H. Richard Niebuhr. . Atlanta: Atlanta Scholars Press.

Gaya MLA

Keiser, R., Melvin. "Roots of relational ethics: Responsibility in origin and maturity in H. Richard Niebuhr. ". Atlanta: Atlanta Scholars Press, 1996. Buku.