APA (7th ed.) Citation

Metropolitan Police. (1985). The principles of policing and guidance for professional behaviour. [Metropolitan Police].

Chicago Style (17th ed.) Citation

Metropolitan Police. The Principles of Policing and Guidance for Professional Behaviour. (London): [Metropolitan Police], 1985.

MLA (9th ed.) Citation

Metropolitan Police. The Principles of Policing and Guidance for Professional Behaviour. [Metropolitan Police], 1985.

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