APA Citation

Perrin, R., & Donald Wilkelmann. Impediments to technical progress on small versus large farmsRichard Perrin,Donald Wilkelmann,Mexico,CIMMYT,(n.d). Mexico: CIMMYT.

Chicago Style Citation

Perrin, Richard., and Donald Wilkelmann. Impediments to Technical Progress On Small Versus Large FarmsRichard Perrin,Donald Wilkelmann,Mexico,CIMMYT,(n.d). Mexico: CIMMYT.

MLA Citation

Perrin, Richard., and Donald Wilkelmann. Impediments to Technical Progress On Small Versus Large FarmsRichard Perrin,Donald Wilkelmann,Mexico,CIMMYT,(n.d). Mexico: CIMMYT.

Warning: These citations may not always be 100% accurate.