Tipton, Vernon J. and Saunders, Robert C.
"A list of arthropods of medical importance which occur in Utah with a review of arthropod-borne diseases endemic in the state,"
Brigham Young University Science Bulletin, Biological Series: Vol. 15
, Article 1.
Available at: http://scholarsarchive.byu.edu/byuscib/vol15/iss2/1