<ref name="Heinze_et_al_1992">{{cite journal |first1=J. |last1=Heinze |first2=R. J. |last2=Stuart |first3=T. M. |last3=Alloway |first4=A. |last4=Buschinger |year=1992 |title=Host specificity in the slave-making ant ''Harpagoxenus'' ''canadensis'' M. R. Smith |url= |journal=Canadian Journal of Zoology |publisher= |volume=70 |issue= |pages=167–170 |doi= }}</ref>