Pennsylvania. State Board of Health and Vital Statistics. The Annals of hygiene. University of Pennsylvania Press [etc.].
Chicago Style (17th ed.) CitationPennsylvania. State Board of Health and Vital Statistics. The Annals of Hygiene. Philadelphia: University of Pennsylvania Press [etc.].
MLA (8th ed.) CitationPennsylvania. State Board of Health and Vital Statistics. The Annals of Hygiene. University of Pennsylvania Press [etc.].
Warning: These citations may not always be 100% accurate.