<ref name="Duffield_&_Blum_1975">{{cite journal |first1=R. M. |last1=Duffield |first2=M. S. |last2=Blum |year=1975 |title=Identification, role and systematic significance of 3-octanone in the carpenter ant, ''Camponotus schaefferi'' Whr |url= |journal=Comparative Biochemistry and Physiology. B. Comparative Biochemistry |publisher= |volume=51 |issue= |pages=281–282 |doi= }}</ref>