A revision of the forms of the hairy woodpecker (Dryobates villosus [Linnaeus])

Chicago citation style
Oberholser, Harry C. A revision of the forms of the hairy woodpecker (Dryobates villosus [Linnaeus]). 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85763&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
Oberholser, Harry C, (1911) A revision of the forms of the hairy woodpecker (Dryobates villosus [Linnaeus]). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85763&repo=DPLA
MLA citation style
Oberholser, Harry C. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85763&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.