APA
Pingali P., Binswanger H. & Bigot Y. (1987). Agricultural mechanization and the evolution of farming syst. Baltimore: John Hopkins.
Chicago
Pingali P, Binswanger H.P and Bigot Y. 1987. Agricultural mechanization and the evolution of farming syst. Baltimore: John Hopkins.
Harvard
Pingali P., Binswanger H. and Bigot Y. (1987). Agricultural mechanization and the evolution of farming syst. Baltimore: John Hopkins.
MLA
Pingali P, Binswanger H.P and Bigot Y. Agricultural mechanization and the evolution of farming syst. Baltimore: John Hopkins. 1987.