Rootman, I., & Hughes, P. H. (1980). Drug-abuse reporting systems. WHO offset publication.
Chicago Style (17th ed.) CitationRootman, Irving, and P. H. Hughes. "Drug-abuse Reporting Systems." WHO Offset Publication 1980.
MLA (9th ed.) CitationRootman, Irving, and P. H. Hughes. "Drug-abuse Reporting Systems." WHO Offset Publication, 1980.
Warning: These citations may not always be 100% accurate.