The variation exhibited by Thamnophis ordinoides (Baird and Girard), a gartersnake inhabiting the San Francisco Peninsula

Chicago citation style
Thompson, Joseph C. The variation exhibited by Thamnophis ordinoides (Baird and Girard), a gartersnake inhabiting the San Francisco Peninsula. 1917. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86102&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
Thompson, Joseph C, (1917) The variation exhibited by Thamnophis ordinoides (Baird and Girard), a gartersnake inhabiting the San Francisco Peninsula. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86102&repo=DPLA
MLA citation style
Thompson, Joseph C. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86102&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.