Singer, S. M., & Gottfredson, D. M. (1973). Parole decision-making coding manual. Parole decision-making / Supplement report.
Chicago Style (17th ed.) CitationSinger, Susan M., and Donald M. Gottfredson. "Parole Decision-making Coding Manual." Parole Decision-making / Supplement Report 1973.
MLA (9th ed.) CitationSinger, Susan M., and Donald M. Gottfredson. "Parole Decision-making Coding Manual." Parole Decision-making / Supplement Report, 1973.
Warning: These citations may not always be 100% accurate.