Harper, J. E., Schrader, L. E. 1., & Howell, R. W. 1. (1985). Exploitation of physiological and genetic variability to enhance crop productivity. Rockville, Md.: American Society of Plant Physiologists.
Chicago Style CitationHarper, James E., Lawrence E. 1941- Schrader, and Robert W. 1916- Howell. Exploitation of Physiological and Genetic Variability to Enhance Crop Productivity. Rockville, Md.: American Society of Plant Physiologists, 1985.
MLA CitationHarper, James E., Lawrence E. 1941- Schrader, and Robert W. 1916- Howell. Exploitation of Physiological and Genetic Variability to Enhance Crop Productivity. Rockville, Md.: American Society of Plant Physiologists, 1985.
Warning: These citations may not always be 100% accurate.