Cita APA (7a ed.)

Gray, C. D. (2008). International law and the use of force (3rd ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Gray, Christine D. International Law and the Use of Force. 3rd ed. Oxford: Oxford University Press, 2008.

Cita MLA (9a ed.)

Gray, Christine D. International Law and the Use of Force. 3rd ed. Oxford University Press, 2008.