APA (7th ed.) Citation

Niebuhr, R. (1940). Christianity and power politics. Archon Books.

Chicago Style (17th ed.) Citation

Niebuhr, Reinhold. Christianity and Power Politics. [Hamden, Conn.]: Archon Books, 1940.

MLA (9th ed.) Citation

Niebuhr, Reinhold. Christianity and Power Politics. Archon Books, 1940.

Warning: These citations may not always be 100% accurate.