Heggestad, H. E., Howell, R. K., & Bennett, J. H. (1977). The effects of oxidant air pollutants on soybeans, snap beans and potatoes. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory.
Chicago Style (17th ed.) CitationHeggestad, H E., R K. Howell, and J. H. Bennett. The Effects of Oxidant Air Pollutants on Soybeans, Snap Beans and Potatoes. Corvallis, Ore: Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory, 1977.
MLA (9th ed.) CitationHeggestad, H E., et al. The Effects of Oxidant Air Pollutants on Soybeans, Snap Beans and Potatoes. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory, 1977.
Warning: These citations may not always be 100% accurate.