A contribution to the knowledge of the extinct sirenian Desmostylus hesperus Marsh

Chicago citation style
Hay, Oliver Perry. A contribution to the knowledge of the extinct sirenian Desmostylus hesperus Marsh. 1915. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86036&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
Hay, Oliver Perry, (1915) A contribution to the knowledge of the extinct sirenian Desmostylus hesperus Marsh. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86036&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_86036&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.