Cita APA (7a ed.)

Fletcher, G. P. Defending humanity: When force is justified and why. Oxford University Press.

Cita Chicago Style (17a ed.)

Fletcher, George P. Defending Humanity: When Force Is Justified and Why. Oxford: Oxford University Press.

Cita MLA (9a ed.)

Fletcher, George P. Defending Humanity: When Force Is Justified and Why. Oxford University Press.