APA (7th ed.) Citation

Hinsley & Simkins. (1990). British intelligence in the Second World War: Security and counter-intelligence - vol 4. HMSO.

Chicago Style (17th ed.) Citation

Hinsley and Simkins. British Intelligence in the Second World War: Security and Counter-intelligence - Vol 4. London: HMSO, 1990.

MLA (8th ed.) Citation

Hinsley and Simkins. British Intelligence in the Second World War: Security and Counter-intelligence - Vol 4. HMSO, 1990.

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