A revision of the forms of the ladder-backed woodpecker (Dryobates scalaris [Wagler])

Chicago citation style
Oberholser, Harry C. A revision of the forms of the ladder-backed woodpecker (Dryobates scalaris [Wagler]). 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85770&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
Oberholser, Harry C, (1911) A revision of the forms of the ladder-backed woodpecker (Dryobates scalaris [Wagler]). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85770&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_85770&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.