APA (7th ed.) Citation

West, N. (1985). MI6: British secret intelligence service operations 1909-45. Grafton.

Chicago Style (17th ed.) Citation

West, Nigel. MI6: British Secret Intelligence Service Operations 1909-45. London: Grafton, 1985.

MLA (8th ed.) Citation

West, Nigel. MI6: British Secret Intelligence Service Operations 1909-45. Grafton, 1985.

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