APA

De Varona F., .Hispanic presence in the united states : Historical beginnings / Frank De Varona. Washinton, Estados Unidos : National hispanic quincentennialñ commission (1993): .

Chicago

De Varona Frank, .Hispanic presence in the united states : Historical beginnings / Frank De Varona. Washinton, Estados Unidos : National hispanic quincentennialñ commission (1993): .

Harvard

De Varona F., .Hispanic presence in the united states : Historical beginnings / Frank De Varona. Washinton, Estados Unidos : National hispanic quincentennialñ commission (1993): .

MLA

De Varona Frank, .Washinton, Estados Unidos : National hispanic quincentennialñ commission (1993): . .