Cita APA (7a ed.)

Perrin, R. A. (1981). Crime rates workbook (3rd pr.). Criminal Justice Information Systems.

Cita Chicago Style (17a ed.)

Perrin, Ruth A. Crime Rates Workbook. 3rd pr. Chicago: Criminal Justice Information Systems, 1981.

Cita MLA (8a ed.)

Perrin, Ruth A. Crime Rates Workbook. 3rd pr. Criminal Justice Information Systems, 1981.