Block, C. R. (1980). Guide to Illinois firearm data. Criminal Justice Information Systems.
Chicago Style (17th ed.) CitationBlock, Carolyn R. Guide to Illinois Firearm Data. Chicago: Criminal Justice Information Systems, 1980.
MLA (8th ed.) CitationBlock, Carolyn R. Guide to Illinois Firearm Data. Criminal Justice Information Systems, 1980.
Warning: These citations may not always be 100% accurate.