Elder, W. C., Elwell, H. M., & Romshe, F. A. (1949). Chemical control of weeds and brush in Oklahoma. Oklahoma Agricultural Experiment Station.
Chicago Style (17th ed.) CitationElder, W. C., Harry M. Elwell, and F. A. Romshe. Chemical Control of Weeds and Brush in Oklahoma. Stillwater, Okla: Oklahoma Agricultural Experiment Station, 1949.
MLA (9th ed.) CitationElder, W. C., et al. Chemical Control of Weeds and Brush in Oklahoma. Oklahoma Agricultural Experiment Station, 1949.
Warning: These citations may not always be 100% accurate.