Cita APA (7th ed.)

Korsgaard, C. M., Cohen, G., Geuss, R., Nagel, T., Williams, B., & O'Neill, O. (1996). The Sources of Normativity. Cambridge University Press.

Cita Chicago (17th ed.)

Korsgaard, Christine M., G.A Cohen, Raymond Geuss, Thomas Nagel, Bernard Williams, i Onora O'Neill. The Sources of Normativity. Cambridge, United Kingdom: Cambridge University Press, 1996.

Cita MLA (9th ed.)

Korsgaard, Christine M., et al. The Sources of Normativity. Cambridge University Press, 1996.