APA (7th ed.) Citation

Knox, G. W. (1998). An introduction to gangs (Revised and expanded fourth edition.). New Chicago School Press.

Chicago Style (17th ed.) Citation

Knox, George W. An Introduction to Gangs. Revised and expanded fourth edition. Peotone, IL: New Chicago School Press, 1998.

MLA (9th ed.) Citation

Knox, George W. An Introduction to Gangs. Revised and expanded fourth edition. New Chicago School Press, 1998.