APA

Niebuhr H. R. 1., . (1978). The responsible self. New York: Harper & Row.

Chicago

Niebuhr Helmuth Richard 1894-1962, . 1978. The responsible self. New York: Harper & Row.

Harvard

Niebuhr H. R. 1., . (1978). The responsible self. New York: Harper & Row.

MLA

Niebuhr Helmuth Richard 1894-1962, . The responsible self. New York: Harper & Row. 1978.