APA (7th ed.) Citation

Mark, R. (1977). Policing a perplexed society / by Sir Robert Mark. Allen and Unwin.

Chicago Style (17th ed.) Citation

Mark, Robert. Policing a Perplexed Society / by Sir Robert Mark. London: Allen and Unwin, 1977.

MLA (9th ed.) Citation

Mark, Robert. Policing a Perplexed Society / by Sir Robert Mark. Allen and Unwin, 1977.

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