United States. Office of Civil Defense; United States. Public Health Service. Emergency Childbirth A Reference Guide for Students of the Medical Self-help Training Course, Lesson No. 11.
Chicago Style (17th ed.) CitationUnited States. Office of Civil Defense; United States. Public Health Service. Emergency Childbirth A Reference Guide for Students of the Medical Self-help Training Course, Lesson No. 11.
MLA (9th ed.) CitationUnited States. Office of Civil Defense; United States. Public Health Service. Emergency Childbirth A Reference Guide for Students of the Medical Self-help Training Course, Lesson No. 11.
Warning: These citations may not always be 100% accurate.