Formica difficilis var. consocians Wheeler, 1904

Chicago citation style
Formica difficilis var. consocians Wheeler, 1904. 5 Aug 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9176452&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
(5 Aug 1911) Formica difficilis var. consocians Wheeler, 1904. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9176452&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhentomology_9176452&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.