The extinct bisons of North America, with description of one new species, Bison regius

Chicago citation style
Hay, Oliver Perry. The extinct bisons of North America, with description of one new species, Bison regius. 1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85944&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
Hay, Oliver Perry, (1913) The extinct bisons of North America, with description of one new species, Bison regius. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85944&repo=DPLA
MLA citation style
Hay, Oliver Perry. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85944&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.