Cita APA (7a ed.)

Conklin, J. E. (2003). Why crime rates fell. Allyn and Bacon.

Cita Chicago Style (17a ed.)

Conklin, John E. Why Crime Rates Fell. Boston, Mass. [u.a.]: Allyn and Bacon, 2003.

Cita MLA (8a ed.)

Conklin, John E. Why Crime Rates Fell. Allyn and Bacon, 2003.