Friis, R. H., & Sellers, T. A. (2004). Epidemiology for public health practice (3rd ed.). Jones and Bartlett.
Chicago Style (17th ed.) CitationFriis, Robert H., and Thomas A. Sellers. Epidemiology for Public Health Practice. 3rd ed. Sudbury, MA: Jones and Bartlett, 2004.
MLA (9th ed.) CitationFriis, Robert H., and Thomas A. Sellers. Epidemiology for Public Health Practice. 3rd ed. Jones and Bartlett, 2004.
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