Cita APA (7th ed.)

Nicolson , H. (1969). Diplomacy (3rd ed.). University Press.

Cita Chicago (17th ed.)

Nicolson , Harold. Diplomacy. 3rd ed. London, Oxford: University Press, 1969.

Cita MLA (9th ed.)

Nicolson , Harold. Diplomacy. 3rd ed. University Press, 1969.