APA (7th ed.) Citation
Wiebe, K. D., Ballenger, N., & Pinstrup-Andersen, P. (2001). Who will be fed in the 21st century? challenges for science and policy. International Food Policy Research Institute.
Chicago Style (17th ed.) Citation
Wiebe, Keith D., Nicole Ballenger, and Per Pinstrup-Andersen. Who Will Be Fed in the 21st Century? Challenges for Science and Policy. International Food Policy Research Institute, 2001.
MLA (9th ed.) Citation
Wiebe, Keith D., et al. Who Will Be Fed in the 21st Century? Challenges for Science and Policy. International Food Policy Research Institute, 2001.
Warning: These citations may not always be 100% accurate.