APA (7th ed.) Citation

Horn, D. B. (1961). The British diplomatic service 1689-1789. Clarendon Pr.

Chicago Style (17th ed.) Citation

Horn, David B. The British Diplomatic Service 1689-1789. Oxford: Clarendon Pr, 1961.

MLA (9th ed.) Citation

Horn, David B. The British Diplomatic Service 1689-1789. Clarendon Pr, 1961.

Warning: These citations may not always be 100% accurate.