Cita APA (7a ed.)

Pennsylvania Department of Transportation & Gilfillan, D. P. (19). Habitual offender programs: Characteristics and effectiveness; task report.

Cita Chicago Style (17a ed.)

Pennsylvania Department of Transportation y David P. Gilfillan. Habitual Offender Programs: Characteristics and Effectiveness; Task Report. Harrisburg, Pa, 19.

Cita MLA (9a ed.)

Pennsylvania Department of Transportation y David P. Gilfillan. Habitual Offender Programs: Characteristics and Effectiveness; Task Report. 19.