Muller, H. J. (1961). Freedom in the ancient world (First edition.). Harper.
Cita Chicago (17th ed.)Muller, Herbert Joseph. Freedom in the Ancient World. First edition. New York: Harper, 1961.
Cita MLA (8th ed.)Muller, Herbert Joseph. Freedom in the Ancient World. First edition. Harper, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.