Enallagma vesperum Calvert, 1919

Chicago citation style
Enallagma vesperum Calvert, 1919. 31 May 1994. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9298275&repo=DPLA. (Accessed November 16, 2018.)
APA citation style
(31 May 1994) Enallagma vesperum Calvert, 1919. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9298275&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9298275&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.