Sinnott-Armstrong, W. (1995). Moral Dilemmas. In R. Audi (Ed.), The Cambridge Dictionary of Philosophy (pp. 508–508). New York: Cambridge University Press.

Sinnott-Armstrong, W. “Moral Dilemmas.” In The Cambridge Dictionary of Philosophy, edited by R. Audi, 508–508. New York: Cambridge University Press, 1995.

Sinnott-Armstrong W. Moral Dilemmas. In: Audi R, editor. The Cambridge Dictionary of Philosophy. New York: Cambridge University Press; 1995. p. 508–508.

Sinnott-Armstrong, W. “Moral Dilemmas.” The Cambridge Dictionary of Philosophy, edited by R. Audi, Cambridge University Press, 1995, pp. 508–508.

Sinnott-Armstrong W. Moral Dilemmas. In: Audi R, editor. The Cambridge Dictionary of Philosophy. New York: Cambridge University Press; 1995. p. 508–508.