APA (7th ed.) Citation

Curry, J. C., Curry, J. C., & Andrew, C. M. (1999). The security service 1908-1945: The official history. Public Record Office.

Chicago Style (17th ed.) Citation

Curry, John C., John Court Curry, and Christopher M. Andrew. The Security Service 1908-1945: The Official History. Kew: Public Record Office, 1999.

MLA (9th ed.) Citation

Curry, John C., et al. The Security Service 1908-1945: The Official History. Public Record Office, 1999.