The Star Spangled Banner.

Chicago citation style
The Star Spangled Banner.. 1839. Retrieved from the Digital Public Library of America, http://dc.lib.unc.edu/cdm/ref/collection/sheetmusic/id/27001. (Accessed August 15, 2018.)
APA citation style
(1839) The Star Spangled Banner.. Retrieved from the Digital Public Library of America, http://dc.lib.unc.edu/cdm/ref/collection/sheetmusic/id/27001
MLA citation style
Retrieved from the Digital Public Library of America <http://dc.lib.unc.edu/cdm/ref/collection/sheetmusic/id/27001>.
Note: These citations are programmatically generated and may be incomplete.