Two fossil insects from Florissant, Colorado, with a discussion of the venation of the aeshnine dragon-flies

Chicago citation style
Cockerell, Theodore D. A. Two fossil insects from Florissant, Colorado, with a discussion of the venation of the aeshnine dragon-flies. 1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85923&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
Cockerell, Theodore D. A, (1913) Two fossil insects from Florissant, Colorado, with a discussion of the venation of the aeshnine dragon-flies. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85923&repo=DPLA
MLA citation style
Cockerell, Theodore D. A. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85923&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.