Williams, W. J. (1972). Moriarty's police law: An arrangement of law and regulations for the use of police officers (Twenty-first edition.). Butterworths.
Chicago Style (17th ed.) CitationWilliams, William J. Moriarty's Police Law: An Arrangement of Law and Regulations for the Use of Police Officers. Twenty-first edition. London: Butterworths, 1972.
MLA (9th ed.) CitationWilliams, William J. Moriarty's Police Law: An Arrangement of Law and Regulations for the Use of Police Officers. Twenty-first edition. Butterworths, 1972.
Warning: These citations may not always be 100% accurate.