Cita APA (7a ed.)

Hamilton, K., & Langhorne, R. (2011). The practice of diplomacy: Its evolution, theory, and administration (Second edition.). Routledge.

Cita Chicago Style (17a ed.)

Hamilton, Keith, y Richard Langhorne. The Practice of Diplomacy: Its Evolution, Theory, and Administration. Second edition. London ; New York: Routledge, 2011.

Cita MLA (8a ed.)

Hamilton, Keith, y Richard Langhorne. The Practice of Diplomacy: Its Evolution, Theory, and Administration. Second edition. Routledge, 2011.