The systematic position of the crinoid genus Marsupites

Chicago citation style
Clark, Austin Hobart. The systematic position of the crinoid genus Marsupites. 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85768&repo=DPLA. (Accessed October 23, 2019.)
APA citation style
Clark, Austin Hobart, (1911) The systematic position of the crinoid genus Marsupites. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85768&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_85768&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.