APA (7th ed.) Citation

Hurka, T. (2011). Underivative duty: British moral philosophers from Sidgwick to Ewing. Oxford University Press.

Chicago Style (17th ed.) Citation

Hurka, Thomas. Underivative Duty: British Moral Philosophers from Sidgwick to Ewing. Oxford [u.a.]: Oxford University Press, 2011.

MLA (8th ed.) Citation

Hurka, Thomas. Underivative Duty: British Moral Philosophers from Sidgwick to Ewing. Oxford University Press, 2011.