Coldren, J. R., & Perrin, R. A. (1978). Data on extortion in Illinois. Criminal Justice Information Systems.
Chicago Style (17th ed.) CitationColdren, James R., and Ruth A. Perrin. Data on Extortion in Illinois. Chicago: Criminal Justice Information Systems, 1978.
MLA (9th ed.) CitationColdren, James R., and Ruth A. Perrin. Data on Extortion in Illinois. Criminal Justice Information Systems, 1978.
Warning: These citations may not always be 100% accurate.