Cita APA (7a ed.)

May, C. (1992). The national probation survey 1990. Research and Planning Unit paper.

Cita Chicago Style (17a ed.)

May, Chris. "The National Probation Survey 1990." Research and Planning Unit Paper 1992.

Cita MLA (9a ed.)

May, Chris. "The National Probation Survey 1990." Research and Planning Unit Paper, 1992.