Schlesinger, A. M. (1962). The vital center: The politics of freedom (Sentry ed.). The Riverside Press.
Cita Chicago (17th ed.)Schlesinger, Arthur Meier. The Vital Center: The Politics of Freedom. Sentry ed. Cambridge: The Riverside Press, 1962.
Cita MLA (9th ed.)Schlesinger, Arthur Meier. The Vital Center: The Politics of Freedom. Sentry ed. The Riverside Press, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.