Cita APA (7a ed.)
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.
Cita Chicago Style (17a ed.)
Wiebe, Keith D., Nicole Ballenger, y Per Pinstrup-Andersen. Who Will Be Fed in the 21st Century? Challenges for Science and Policy. International Food Policy Research Institute, 2001.
Cita MLA (9a ed.)
Wiebe, Keith D., et al. Who Will Be Fed in the 21st Century? Challenges for Science and Policy. International Food Policy Research Institute, 2001.
Precaución: Estas citas no son 100% exactas.