APA (7th ed.) Citation

UN. (1993). Crime trends and criminal justice operations at the regional and interregional levels. UN.

Chicago Style (17th ed.) Citation

UN. Crime Trends and Criminal Justice Operations at the Regional and Interregional Levels. NY: UN, 1993.

MLA (8th ed.) Citation

UN. Crime Trends and Criminal Justice Operations at the Regional and Interregional Levels. UN, 1993.

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