Callaway, M. B., & Francis, C. A. (1993). Crop improvement for sustainable agriculture. Lincoln: University of Nebraska Press.
Chicago Style CitationCallaway, M. Brett, and Charles A. Francis. Crop Improvement for Sustainable Agriculture. Lincoln: University of Nebraska Press, 1993.
MLA CitationCallaway, M. Brett, and Charles A. Francis. Crop Improvement for Sustainable Agriculture. Lincoln: University of Nebraska Press, 1993.
Warning: These citations may not always be 100% accurate.