APA

Hamilton K. A., Langhorne R., . (1994). The practice of diplomacy: its evolution, theory and administration. London: Routledge.

Chicago

Hamilton Keith A, Langhorne Richard, . 1994. The practice of diplomacy: its evolution, theory and administration. London: Routledge.

Harvard

Hamilton K. A., Langhorne R., . (1994). The practice of diplomacy: its evolution, theory and administration. London: Routledge.

MLA

Hamilton Keith A, Langhorne Richard, . The practice of diplomacy: its evolution, theory and administration. London: Routledge. 1994.