<ref name="Cros_et_al_1997">{{cite journal |first1=S. |last1=Cros |first2=X. |last2=Cerdá |first3=J. |last3=Retana |year=1997 |title=Spatial and temporal variations in the activity patterns of Mediterranean ant communities |url= |journal=Écoscience |publisher= |volume=4 |issue= |pages=269–278 |doi= }}</ref>