Cita APA (7th ed.)

Sandel, M. J. (2009). Justice: What's the right thing to do ? Penguin Books.

Cita Chicago (17th ed.)

Sandel, Michael J. Justice: What's the Right Thing to Do ? England: Penguin Books, 2009.

Cita MLA (9th ed.)

Sandel, Michael J. Justice: What's the Right Thing to Do ? Penguin Books, 2009.