<ref name="Tulloch_1930">{{cite journal |first1=G. S. |last1=Tulloch |year=1930 |title=An unusual nest of ''Pogonomyrmex''. |url=https://antcat.org/documents/3105/2909.pdf |journal=Psyche (Cambridge) |publisher= |volume=37 |issue= |pages=61–70 |doi= }}</ref>