APA (7th ed.) Citation

Knafla, L. A. (2003). Violent crime in North America. Criminal justice history.

Chicago Style (17th ed.) Citation

Knafla, Louis A. "Violent Crime in North America." Criminal Justice History 2003.

MLA (9th ed.) Citation

Knafla, Louis A. "Violent Crime in North America." Criminal Justice History, 2003.

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