APA (7th ed.) Citation

Rumbelow, D. (1971). I spy blue: The police and crime in the City of London from Elizabeth I to Victoria. Macmillan.

Chicago Style (17th ed.) Citation

Rumbelow, Donald. I Spy Blue: The Police and Crime in the City of London from Elizabeth I to Victoria. London: Macmillan, 1971.

MLA (9th ed.) Citation

Rumbelow, Donald. I Spy Blue: The Police and Crime in the City of London from Elizabeth I to Victoria. Macmillan, 1971.

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