APA Format
Barker, Thomas;
. (1994). Police System And Practices An Introduction
/ Thomas Barker
. New Jersey : [s.n.]
MLA Format
Barker, Thomas;
. Police System And Practices An Introduction
/ Thomas Barker
. New Jersey : [s.n.], 1994
Chicago Format
Barker, Thomas;
. Police System And Practices An Introduction
/ Thomas Barker
. New Jersey : [s.n.], 1994
Australian/Harvard Format
Barker, Thomas;
. 1994. Police System And Practices An Introduction
/ Thomas Barker
. [s.n.] New Jersey