APA
Conklin J. E., . (2003). Why crime rates fell. Boston: Allyn and Bacon.
Chicago
Conklin John E, . 2003. Why crime rates fell. Boston: Allyn and Bacon.
Harvard
Conklin J. E., . (2003). Why crime rates fell. Boston: Allyn and Bacon.
MLA
Conklin John E, . Why crime rates fell. Boston: Allyn and Bacon. 2003.