APA Citation
Friis, R. H. (2007). Essentials of environmental health. Sudbury, Mass.: Jones and Bartlett.
Chicago Style CitationFriis, Robert H. Essentials of Environmental Health. Sudbury, Mass.: Jones and Bartlett, 2007.
MLA CitationFriis, Robert H. Essentials of Environmental Health. Sudbury, Mass.: Jones and Bartlett, 2007.
Warning: These citations may not always be 100% accurate.