APA (7th ed.) Citation

Wark, W. K. (1985). The ultimate enemy: British intelligence and Nazi Germany, 1933-1939. Tauris.

Chicago Style (17th ed.) Citation

Wark, Wesley K. The Ultimate Enemy: British Intelligence and Nazi Germany, 1933-1939. London: Tauris, 1985.

MLA (9th ed.) Citation

Wark, Wesley K. The Ultimate Enemy: British Intelligence and Nazi Germany, 1933-1939. Tauris, 1985.