@book{231198,
	author = {Burton, L. DeVere. and Cooper, Elmer L.},
	title = {Agrociencia},
	publisher = {Delmar/CengageLearning},
	year = {c2009.},
	address = {México},
	edition = {4th ed.},
	note = {Cooper's name appears first on the earlier editions.}
}