Center for Prevention Services (U.S.). Quarantine Division. (1986). Public health screening at U.S ports of entry: U.S. Public Health Service guide to U.S. Immigration & Naturalization Service and U.S. Customs Service inspectors. HHS, PHS, CDC, DQ.
Chicago Style (17th ed.) CitationCenter for Prevention Services (U.S.). Quarantine Division. Public Health Screening at U.S Ports of Entry: U.S. Public Health Service Guide to U.S. Immigration & Naturalization Service and U.S. Customs Service Inspectors. [Atlanta, Ga.]: HHS, PHS, CDC, DQ, 1986.
MLA (9th ed.) CitationCenter for Prevention Services (U.S.). Quarantine Division. Public Health Screening at U.S Ports of Entry: U.S. Public Health Service Guide to U.S. Immigration & Naturalization Service and U.S. Customs Service Inspectors. HHS, PHS, CDC, DQ, 1986.