Cita APA (7a ed.)

Gottfredson, D. M. (1977). Classification for parole decision policy: Suppl.

Cita Chicago Style (17a ed.)

Gottfredson, Donald M. Classification for Parole Decision Policy: Suppl. Draft, 1977.

Cita MLA (9a ed.)

Gottfredson, Donald M. Classification for Parole Decision Policy: Suppl. 1977.