United States. Division of Emergency Health Services. (1971). Ambulance services and hospital emergency departments: Digest of surveys conducted 1965 to March 1971.
Chicago Style (17th ed.) CitationUnited States. Division of Emergency Health Services. Ambulance Services and Hospital Emergency Departments: Digest of Surveys Conducted 1965 to March 1971. Rockville, Md, 1971.
MLA (8th ed.) CitationUnited States. Division of Emergency Health Services. Ambulance Services and Hospital Emergency Departments: Digest of Surveys Conducted 1965 to March 1971. 1971.
Warning: These citations may not always be 100% accurate.