Cita APA (7a ed.)

Singer, S. M., & Gottfredson, D. M. (1973). Parole decision-making coding manual. Parole decision-making / Supplement report.

Cita Chicago Style (17a ed.)

Singer, Susan M., y Donald M. Gottfredson. "Parole Decision-making Coding Manual." Parole Decision-making / Supplement Report 1973.

Cita MLA (9a ed.)

Singer, Susan M., y Donald M. Gottfredson. "Parole Decision-making Coding Manual." Parole Decision-making / Supplement Report, 1973.