Ann Arbor : University of Michigan Press, 2007

Princeton, NJ : Princeton University Press, 1996

New York : Barnes & Noble Books, 1996

Oxford : New York : Clarendon Press ; Oxford University Press, 1980

Ithaca : Cornell University Press, 1992

Englewood Cliffs, N.J. : Prentice-Hall, 1962

New York,; New York : Published for the Classics club by W. J. Black; Published for the Classics Club by W.J. Black, 1942

London, New York, Macmillan; St. Martin's Press, 1962

Berkeley : University of California Press, 1997

Austin : University of Texas Press, 1995
1st ed.

Austin : University of Texas Press, 1996
1st ed.

Berkeley : University of California Press, 1991

Durham : Duke University Press, 1994
Expanded ed.

Bloomington : Indiana University Press, 1978

New York : Harper Perennial Modern Classics, 2007

Ann Arbor : University of Michigan Press, 1996

Princeton, N.J. : Princeton University Press, 1998
1st Princeton pbk. ed.

Malden, MA : Blackwell Pub., 2007
2nd ed.