APA (7th ed.) Citation

Fry, H. P. (2017). The London cage: The secret history of Britain's World War II interrogation centre. Yale University Press.

Chicago Style (17th ed.) Citation

Fry, Helen P. The London Cage: The Secret History of Britain's World War II Interrogation Centre. New Haven, Connecticut: Yale University Press, 2017.

MLA (9th ed.) Citation

Fry, Helen P. The London Cage: The Secret History of Britain's World War II Interrogation Centre. Yale University Press, 2017.