Evenson, R. E., & Gollin, D. (2003). Crop variety improvement and its effect on productivity: The impact of international agricultural research. Wallingford: CABI.
Chicago Style CitationEvenson, Robert E.,, and Douglas Gollin. Crop Variety Improvement and Its Effect On Productivity: The Impact of International Agricultural Research. Wallingford: CABI, 2003.
MLA CitationEvenson, Robert E.,, and Douglas Gollin. Crop Variety Improvement and Its Effect On Productivity: The Impact of International Agricultural Research. Wallingford: CABI, 2003.
Warning: These citations may not always be 100% accurate.