APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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