Helodrilus venetus hortensis Michaelsen

Chicago citation style
Helodrilus venetus hortensis Michaelsen. 25 Apr 1923. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhinvertebratezoology_718593&repo=DPLA. (Accessed November 12, 2018.)
APA citation style
(25 Apr 1923) Helodrilus venetus hortensis Michaelsen. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhinvertebratezoology_718593&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhinvertebratezoology_718593&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.