APA (7th ed.) Citation

Niebuhr, R. (1987). An interpretation of Christian ethics. Harper & Row.

Chicago Style (17th ed.) Citation

Niebuhr, Reinhold. An Interpretation of Christian Ethics. San Francisco: Harper & Row, 1987.

MLA (9th ed.) Citation

Niebuhr, Reinhold. An Interpretation of Christian Ethics. Harper & Row, 1987.