Cita APA (7a ed.)

Oldfield, M. (1997). What worked? A five year study of reconvictions amongst probationers. Probation journal, 44(1), 2-10.

Cita Chicago Style (17a ed.)

Oldfield, Mark. "What Worked? A Five Year Study of Reconvictions Amongst Probationers." Probation Journal 44, no. 1 (1997): 2-10.

Cita MLA (9a ed.)

Oldfield, Mark. "What Worked? A Five Year Study of Reconvictions Amongst Probationers." Probation Journal, vol. 44, no. 1, 1997, pp. 2-10.