Cita APA (7a ed.)

Dahl, J. J. (19). Improved probation strategies. University Research Corp. [u.a.].

Cita Chicago Style (17a ed.)

Dahl, James J. Improved Probation Strategies. Washington, D.C: University Research Corp. [u.a.], 19.

Cita MLA (9a ed.)

Dahl, James J. Improved Probation Strategies. University Research Corp. [u.a.], 19.