Cita APA (7a ed.)

Sen, A., & Williams, B. (1982). Utilitarianism and beyond. University Press.

Cita Chicago Style (17a ed.)

Sen, Amartya, y Bernard Williams. Utilitarianism and Beyond. Cambridge [etc.]: University Press, 1982.

Cita MLA (9a ed.)

Sen, Amartya, y Bernard Williams. Utilitarianism and Beyond. University Press, 1982.