Cita APA (7a ed.)

Niebuhr, R. (1953). Christian realism and political problems. Charles Scribner's Sons.

Cita Chicago Style (17a ed.)

Niebuhr, Reinhold. Christian Realism and Political Problems. New York: Charles Scribner's Sons, 1953.

Cita MLA (9a ed.)

Niebuhr, Reinhold. Christian Realism and Political Problems. Charles Scribner's Sons, 1953.