Cita APA (7th ed.)

Darwall, S. L. (1985). Impartial reason. Cornell University Press.

Cita Chicago (17th ed.)

Darwall, Stephen L. Impartial Reason. Ithaca N.Y.: Cornell University Press, 1985.

Cita MLA (9th ed.)

Darwall, Stephen L. Impartial Reason. Cornell University Press, 1985.