It came upon the midnight clear

Chicago citation style
Willis, Richard Storrs, 1819-1900. It came upon the midnight clear. [1915]. Retrieved from the Digital Public Library of America, http://www.library.ucsb.edu/OBJID/Cylinder0964. (Accessed December 12, 2018.)
APA citation style
Willis, Richard Storrs, 1819-1900, ([1915]) It came upon the midnight clear. Retrieved from the Digital Public Library of America, http://www.library.ucsb.edu/OBJID/Cylinder0964
MLA citation style
Willis, Richard Storrs, 1819-1900. Retrieved from the Digital Public Library of America <http://www.library.ucsb.edu/OBJID/Cylinder0964>.
Note: These citations are programmatically generated and may be incomplete.