The American species of Sphyradium with an inquiry as to their generic relationships

Chicago citation style
Hanna, G. D. The American species of Sphyradium with an inquiry as to their generic relationships. 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85788&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
Hanna, G. D, (1911) The American species of Sphyradium with an inquiry as to their generic relationships. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85788&repo=DPLA
MLA citation style
Hanna, G. D. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85788&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.