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引文Pennsylvania. State Board of Health and Vital Statistics. The Annals of Hygiene. University of Pennsylvania Press [etc.].
警告:這些引文格式不一定是100%准確.