Ectenocrinus geniculatus (Ulrich)

Chicago citation style
Ectenocrinus geniculatus (Ulrich). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhpaleobiology_3126234&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
Ectenocrinus geniculatus (Ulrich). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhpaleobiology_3126234&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhpaleobiology_3126234&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.