APA (7th ed.) Zitazioa

Rawls, J. (1999). A theory of justice (2a. ed.). The Belknap Press.

Chicago Style (17th ed.) Zitazioa

Rawls, John. A Theory of Justice. 2a. ed. Cambridge: The Belknap Press, 1999.

MLA (9th ed.) Zitazioa

Rawls, John. A Theory of Justice. 2a. ed. The Belknap Press, 1999.