Randall, B. (1987). Drug testing for illegal substances. Congressional Research Service, the Library of Congress.
Chicago Style (17th ed.) CitationRandall, Blanchard. "Drug Testing for Illegal Substances." Congressional Research Service, the Library of Congress 1987.
MLA (8th ed.) CitationRandall, Blanchard. "Drug Testing for Illegal Substances." Congressional Research Service, the Library of Congress, 1987.
Warning: These citations may not always be 100% accurate.