A new European crinoid

Chicago citation style
Clark, Austin Hobart. A new European crinoid. 1910. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85672&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
Clark, Austin Hobart, (1910) A new European crinoid. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85672&repo=DPLA
MLA citation style
Clark, Austin Hobart. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85672&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.