APA
Pingali P. L., Bigot Y. & Binswanger-Mkhize H. P. (1987). Agricultural mechanization and the evolution of farming systems in sub-Saharan Africa. Baltimore: Published for the World Bank, Johns Hopkins University Press.
Chicago
Pingali Prabhu L, Bigot Yves and Binswanger-Mkhize Hans P. 1987. Agricultural mechanization and the evolution of farming systems in sub-Saharan Africa. Baltimore: Published for the World Bank, Johns Hopkins University Press.
Harvard
Pingali P. L., Bigot Y. and Binswanger-Mkhize H. P. (1987). Agricultural mechanization and the evolution of farming systems in sub-Saharan Africa. Baltimore: Published for the World Bank, Johns Hopkins University Press.
MLA
Pingali Prabhu L, Bigot Yves and Binswanger-Mkhize Hans P. Agricultural mechanization and the evolution of farming systems in sub-Saharan Africa. Baltimore: Published for the World Bank, Johns Hopkins University Press. 1987.