PURSE, B. V., & THOMPSON, D. J. (2003, March). Emergence of the damselflies, Coenagrion mercuriale and Ceriagrion tenellum (Odonata: Coenagrionidae), at their northern range margins, in Britain. European Journal of Entomology.
Chicago Style (17th ed.) CitationPURSE, Bethan V., and David J. THOMPSON. "Emergence of the Damselflies, Coenagrion Mercuriale and Ceriagrion Tenellum (Odonata: Coenagrionidae), at Their Northern Range Margins, in Britain." European Journal of Entomology Mar. 2003.
MLA (9th ed.) CitationPURSE, Bethan V., and David J. THOMPSON. "Emergence of the Damselflies, Coenagrion Mercuriale and Ceriagrion Tenellum (Odonata: Coenagrionidae), at Their Northern Range Margins, in Britain." European Journal of Entomology, Mar. 2003.
Warning: These citations may not always be 100% accurate.