Complex sentence: Another edition of the work was produced in Spain in 1964 and, four years later, in 1968, editions were also produced in Colombia and Cuba, with translation by Luis Fernández in 1961.
Split into simpler sentences: Another edition of the work was produced in 1964, and four years later, in 1968. Editions were also produced in Colombia and Cuba, the latter translation by Luis Fernández in 1961.