APA (7th ed.) Zitazioa

Rawls, J. (1971). A theory of justice (Original edition.). Belknap Press of Harvard University Press.

Chicago Style (17th ed.) Zitazioa

Rawls, John. A Theory of Justice. Original edition. Cambridge: Belknap Press of Harvard University Press, 1971.

MLA (9th ed.) Zitazioa

Rawls, John. A Theory of Justice. Original edition. Belknap Press of Harvard University Press, 1971.