HOFFMAN, N. S. (1977). A New World of Health. McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationHOFFMAN, Norman S. A New World of Health. McGraw-Hill Book Company, 1977.
MLA引文HOFFMAN, Norman S. A New World of Health. McGraw-Hill Book Company, 1977.
警告：这些引文格式不一定是100％准确.