Cita APA (7a ed.)

(2009). 21st century criminology. 21st century criminology a reference handbook.

Cita Chicago Style (17a ed.)

"21st Century Criminology." 21st Century Criminology a Reference Handbook 2009.

Cita MLA (9a ed.)

"21st Century Criminology." 21st Century Criminology a Reference Handbook, 2009.