APA (7th ed.) Citation

Cressey, D. R. (1971). Organized crime and criminal organizations. Heffer.

Chicago Style (17th ed.) Citation

Cressey, Donald Ray. Organized Crime and Criminal Organizations. Cambridge, England: Heffer, 1971.

MLA (9th ed.) Citation

Cressey, Donald Ray. Organized Crime and Criminal Organizations. Heffer, 1971.