Cita APA (7a ed.)

Omand, D., & Phythian, M. (2018). Principled Spying: The Ethics of Secret Intelligence. Georgetown University Press.

Cita Chicago Style (17a ed.)

Omand, David, y Mark Phythian. Principled Spying: The Ethics of Secret Intelligence. Washington, DC: Georgetown University Press, 2018.

Cita MLA (8a ed.)

Omand, David, y Mark Phythian. Principled Spying: The Ethics of Secret Intelligence. Georgetown University Press, 2018.