Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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