<ref name="Pavan_et_al_1971">{{cite journal |first1=M. |last1=Pavan |first2=G. |last2=Ronchetti |first3=V. |last3=Vendegna |year=1971 |title=Corologia del gruppo ''Formica'' ''rufa'' in Italia (Hymenoptera: Formicidae) |url= |journal=Collana Verde |publisher= |volume=30 |issue= |pages=1–93 |doi= }}</ref>