Notes on some fossil horses, with descriptions of four new species

Chicago citation style
Hay, Oliver Perry. Notes on some fossil horses, with descriptions of four new species. 1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85892&repo=DPLA. (Accessed November 15, 2018.)
APA citation style
Hay, Oliver Perry, (1913) Notes on some fossil horses, with descriptions of four new species. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85892&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_85892&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.