APA (7th ed.) Citation

Hagan, F. E. (2005). Research methods in criminal justice and criminology (7. ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Hagan, Frank E. Research Methods in Criminal Justice and Criminology. 7. ed. Boston [u.a.]: Allyn and Bacon, 2005.

MLA (9th ed.) Citation

Hagan, Frank E. Research Methods in Criminal Justice and Criminology. 7. ed. Allyn and Bacon, 2005.