On certain secondary sexual characters in the male ruddy duck, Erismaturajamaicensis (Gmelin)

Chicago citation style
Wetmore, Alexander. On certain secondary sexual characters in the male ruddy duck, Erismaturajamaicensis (Gmelin). 1917. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86114&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
Wetmore, Alexander, (1917) On certain secondary sexual characters in the male ruddy duck, Erismaturajamaicensis (Gmelin). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86114&repo=DPLA
MLA citation style
Wetmore, Alexander. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86114&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.