Alley, R. S. (1972). So help me God: Religion and the Presidency, Wilson to Nixon. John Knox Press.
Cita Chicago (17th ed.)Alley, Robert S. So Help Me God: Religion and the Presidency, Wilson to Nixon. Richmond: John Knox Press, 1972.
Cita MLA (8th ed.)Alley, Robert S. So Help Me God: Religion and the Presidency, Wilson to Nixon. John Knox Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.