@book{110707,
	author = {Rodríguez, David A.},
	title = {Problemas apícolas de Puerto Rico},
	publisher = {Negociado de Materiales, Imprenta, y Transporte},
	year = {1932.},
	series = {Circular},
	address = {San Juan, P.R.},
	note = {At head of title: Gobierno de Puerto Rico, Departamento de Agricultura y Comercio, Estación Experimental Insular.}
}