Cita APA (7th ed.)

Rawls, J., & Freeman, S. R. (1999). Collected papers. Harvard University Press.

Cita Chicago (17th ed.)

Rawls, John, i Samuel Richard Freeman. Collected Papers. Cambridge, Mass: Harvard University Press, 1999.

Cita MLA (9th ed.)

Rawls, John, i Samuel Richard Freeman. Collected Papers. Harvard University Press, 1999.