Pfeffer, L. (1953). Church, state and freedom. Beacon Press.
Cita Chicago (17th ed.)Pfeffer, Leo. Church, State and Freedom. Beacon Press, 1953.
Cita MLA (9th ed.)Pfeffer, Leo. Church, State and Freedom. Beacon Press, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.