Cita APA (7a ed.)

Block, C. R. (1980). Guide to Illinois firearm data. Criminal Justice Information Systems.

Cita Chicago Style (17a ed.)

Block, Carolyn R. Guide to Illinois Firearm Data. Chicago: Criminal Justice Information Systems, 1980.

Cita MLA (8a ed.)

Block, Carolyn R. Guide to Illinois Firearm Data. Criminal Justice Information Systems, 1980.