Cita APA (7a ed.)

Niebuhr, H. (1963). The responsible self: An essay in christian moral philosophy. by Harper & Row.

Cita Chicago Style (17a ed.)

Niebuhr, H.Richard. The Responsible Self: An Essay in Christian Moral Philosophy. New York: by Harper & Row, 1963.

Cita MLA (9a ed.)

Niebuhr, H.Richard. The Responsible Self: An Essay in Christian Moral Philosophy. by Harper & Row, 1963.