Townsend, L. H. The Mature Larva and Puparium of Physocephala Sagittaria (Say) (Diptera, Conopidæ). Wiley.
Chicago Style (17th ed.) CitationTownsend, Lee H. The Mature Larva and Puparium of Physocephala Sagittaria (Say) (Diptera, Conopidæ). Wiley.
MLA (9th ed.) CitationTownsend, Lee H. The Mature Larva and Puparium of Physocephala Sagittaria (Say) (Diptera, Conopidæ). Wiley.
Warning: These citations may not always be 100% accurate.