APA (7th ed.) Citation

Sousa, W. H. (2003). Crime reduction in New York City: The impact of the NYPD.

Chicago Style (17th ed.) Citation

Sousa, William Henry. Crime Reduction in New York City: The Impact of the NYPD. 2003.

MLA (9th ed.) Citation

Sousa, William Henry. Crime Reduction in New York City: The Impact of the NYPD. 2003.

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