Citazione Stile APA (7a Edizione)

Muller, H. J. (1961). Freedom in the ancient world (First edition.). Harper.

Citazione stile Chigago Style (17a edizione)

Muller, Herbert Joseph. Freedom in the Ancient World. First edition. New York: Harper, 1961.

Citatione MLA (8a ed.)

Muller, Herbert Joseph. Freedom in the Ancient World. First edition. Harper, 1961.