Cita APA (7th ed.)

Rawls, J. (1971). A theory of justice (ed.). The Belknap Press.

Cita Chicago (17th ed.)

Rawls, John. A Theory of Justice. ed. Massachusetts: The Belknap Press, 1971.

Cita MLA (9th ed.)

Rawls, John. A Theory of Justice. ed. The Belknap Press, 1971.