Cita APA (7a ed.)
Sayer, J., & Cassman, K. G. (2013). Agricultural innovation to protect the environment. National Academy of Sciences.
Cita Chicago Style (17a ed.)
Sayer, Jeffrey, y Kenneth G. Cassman. Agricultural Innovation to Protect the Environment. National Academy of Sciences, 2013.
Cita MLA (9a ed.)
Sayer, Jeffrey, y Kenneth G. Cassman. Agricultural Innovation to Protect the Environment. National Academy of Sciences, 2013.
Precaución: Estas citas no son 100% exactas.