Spencer, H. (1981). The Man Versus the State. Liberty Classics.
Cita Chicago Style (17a ed.)Spencer, Herbert. The Man Versus the State. Indianapolis, Ind.: Liberty Classics, 1981.
Cita MLA (8a ed.)Spencer, Herbert. The Man Versus the State. Liberty Classics, 1981.
Precaución: Estas citas no son 100% exactas.