Cita APA (7a ed.)

Blackburn, S., & Blackburn, S. (2003). Ethics: A very short introduction. Oxford University Press.

Cita Chicago Style (17a ed.)

Blackburn, Simon, y Simon Blackburn. Ethics: A Very Short Introduction. Oxford: Oxford University Press, 2003.

Cita MLA (9a ed.)

Blackburn, Simon, y Simon Blackburn. Ethics: A Very Short Introduction. Oxford University Press, 2003.