Annual Conference on Trace Substances in Environmental Health, University of Missouri. Environmental Health Center and Extension Division, & Hemphill, D. D. (1971). Trace substances in environmental health. IV: Proceedings of University of Missouri's 4th Annual Conference on Trace Substances in Environmental Health. University of Missouri.
Chicago Style (17th ed.) CitationAnnual Conference on Trace Substances in Environmental Health, University of Missouri. Environmental Health Center and Extension Division, and Delbert D. Hemphill. Trace Substances in Environmental Health. IV: Proceedings of University of Missouri's 4th Annual Conference on Trace Substances in Environmental Health. Columbia: University of Missouri, 1971.
MLA (9th ed.) CitationAnnual Conference on Trace Substances in Environmental Health, et al. Trace Substances in Environmental Health. IV: Proceedings of University of Missouri's 4th Annual Conference on Trace Substances in Environmental Health. University of Missouri, 1971.