APA (7th ed.) Citation

Penn, E. B. (2008). Homeland security and criminal justice: Five years after 9/11. Routledge.

Chicago Style (17th ed.) Citation

Penn, Everette B. Homeland Security and Criminal Justice: Five Years After 9/11. London [u.a.]: Routledge, 2008.

MLA (8th ed.) Citation

Penn, Everette B. Homeland Security and Criminal Justice: Five Years After 9/11. Routledge, 2008.