APA
Ingram J. S. I., Ericksen P. & Liverman D. M. (2010). Food security and global environmental change. London: Earthscan.
Chicago
Ingram J S I, Ericksen Polly and Liverman Diana M. 2010. Food security and global environmental change. London: Earthscan.
Harvard
Ingram J. S. I., Ericksen P. and Liverman D. M. (2010). Food security and global environmental change. London: Earthscan.
MLA
Ingram J S I, Ericksen Polly and Liverman Diana M. Food security and global environmental change. London: Earthscan. 2010.