Cita APA (7a ed.)
Porter, J., L, X., Challinor, A. J., Cochrane, K., SM, H., Iqbal, M., . . . Travasso, M. (2014). Food security and food production systems.
Cita Chicago Style (17a ed.)
Porter, J.R, Xie L, Andrew J. Challinor, K. Cochrane, Howden SM, M.M Iqbal, David B. Lobell, y Maria Travasso. Food Security and Food Production Systems. 2014.
Cita MLA (9a ed.)
Porter, J.R, et al. Food Security and Food Production Systems. 2014.
Precaución: Estas citas no son 100% exactas.