Cita APA (7a ed.)

Harr, J. E. (2015). The Professional Diplomat. Princeton University Press.

Cita Chicago Style (17a ed.)

Harr, John Ensor. The Professional Diplomat. Princeton, NJ: Princeton University Press, 2015.

Cita MLA (8a ed.)

Harr, John Ensor. The Professional Diplomat. Princeton University Press, 2015.