Cita APA (7a ed.)

Barker, J. C. (2006). The Protection of diplomatic personnel. Ashgate.

Cita Chicago Style (17a ed.)

Barker, J. Craig. The Protection of Diplomatic Personnel. Aldershot [etc.]: Ashgate, 2006.

Cita MLA (9a ed.)

Barker, J. Craig. The Protection of Diplomatic Personnel. Ashgate, 2006.