Stone, R. H. (1992). Professor Reinhold Niebuhr: A mentor to the twentieth century. Westminster/John Knox Press.
Chicago Style (17th ed.) CitationStone, Ronald H. Professor Reinhold Niebuhr: A Mentor to the Twentieth Century. Louisville, Ky.: Westminster/John Knox Press, 1992.
MLA (9th ed.) CitationStone, Ronald H. Professor Reinhold Niebuhr: A Mentor to the Twentieth Century. Westminster/John Knox Press, 1992.
Warning: These citations may not always be 100% accurate.