APA (7th ed.) Citation

(1981). Summary report on the crime classification system. Police Executive Research Forum.

Chicago Style (17th ed.) Citation

Summary Report on the Crime Classification System. Washington, D.C: Police Executive Research Forum, 1981.

MLA (8th ed.) Citation

Summary Report on the Crime Classification System. Police Executive Research Forum, 1981.

Warning: These citations may not always be 100% accurate.