Cita APA (7a ed.)
Wood-Sichra, U., & Wood, S. (2014). Land productivity for staple food crops. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Wood-Sichra, Ulrike, y Stanley Wood. Land Productivity for Staple Food Crops. International Food Policy Research Institute, 2014.
Cita MLA (9a ed.)
Wood-Sichra, Ulrike, y Stanley Wood. Land Productivity for Staple Food Crops. International Food Policy Research Institute, 2014.
Precaución: Estas citas no son 100% exactas.