Creighton, William S, and Robert E Gregg. New and Little-known Species of Pheidole (hymenoptera: Formicidae) From the Southwestern United States and Northern Mexico.
APA
Creighton, W., & Gregg, R.New and little-known species of Pheidole (Hymenoptera: Formicidae) from the southwestern United States and northern Mexico.
Chicago
Creighton, William S., and Robert E Gregg.New and Little-Known Species of Pheidole (hymenoptera: Formicidae) From the Southwestern United States and Northern Mexico.