APA
Wiebe K. (., Pinstrup-Andersen P. (. & Ballenger N. (. (2001). Who will be fed in the 21st century?: Challenges for science. Washington: IFPRI.
Chicago
Wiebe Keith (ed), Pinstrup-Andersen Per (ed) and Ballenger Nicole (ed). 2001. Who will be fed in the 21st century?: Challenges for science. Washington: IFPRI.
Harvard
Wiebe K. (., Pinstrup-Andersen P. (. and Ballenger N. (. (2001). Who will be fed in the 21st century?: Challenges for science. Washington: IFPRI.
MLA
Wiebe Keith (ed), Pinstrup-Andersen Per (ed) and Ballenger Nicole (ed). Who will be fed in the 21st century?: Challenges for science. Washington: IFPRI. 2001.