Descriptions of thirty-one new species of Hymenoptera

Chicago citation style
Rohwer, S. A. Descriptions of thirty-one new species of Hymenoptera. 1917. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86118&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
Rohwer, S. A, (1917) Descriptions of thirty-one new species of Hymenoptera. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86118&repo=DPLA
MLA citation style
Rohwer, S. A. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86118&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.