Gaya APA

Niebuhr, H. (1963). The responsible self, an essay in christian moral philosophy, with an introduction by James M.Gustafson. . New York dsl: Harper & RowPublishers.

Gaya MLA

Niebuhr, H.Richard.. "The responsible self, an essay in christian moral philosophy, with an introduction by James M.Gustafson. ". New York dsl: Harper & RowPublishers, 1963. Buku.