Cita APA

Parfit, D. 1., & Scheffler, S. 1. (2013). On what matters. Oxford: Oxford University Press.

Citación estilo Chicago

Parfit, Derek 1942-, y Samuel 1951- Scheffler. On What Matters. Oxford: Oxford University Press, 2013.

Cita MLA

Parfit, Derek 1942-, y Samuel 1951- Scheffler. On What Matters. Oxford: Oxford University Press, 2013.