APA (7th ed.) Citation

National Council on Crime and Delinquency, Research Center, & National Council on Crime and Delinquency Research Center. (1980). Improving classification: A guide to evaluation. Research Center.

Chicago Style (17th ed.) Citation

National Council on Crime and Delinquency, Research Center, and National Council on Crime and Delinquency Research Center. Improving Classification: A Guide to Evaluation. San Francisco, Cal: Research Center, 1980.

MLA (8th ed.) Citation

National Council on Crime and Delinquency, Research Center, and National Council on Crime and Delinquency Research Center. Improving Classification: A Guide to Evaluation. Research Center, 1980.