New brachiopods of the genus Spirifer from the Silurian of Maine

Chicago citation style
Williams, Henry Shaler. New brachiopods of the genus Spirifer from the Silurian of Maine. 1916. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86067&repo=DPLA. (Accessed November 20, 2018.)
APA citation style
Williams, Henry Shaler, (1916) New brachiopods of the genus Spirifer from the Silurian of Maine. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86067&repo=DPLA
MLA citation style
Williams, Henry Shaler. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86067&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.