The shades of night were falling fast

Chicago citation style
Balfe, M. W. (Michael William), 1808-1870, Longfellow, Henry Wadsworth, 1807-1882. The shades of night were falling fast. [between 1873 and 1890]. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:1140308. (Accessed July 21, 2018.)
APA citation style
Balfe, M. W. (Michael William), 1808-1870, Longfellow, Henry Wadsworth, 1807-1882, ([between 1873 and 1890]) The shades of night were falling fast. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:1140308
MLA citation style
Balfe, M. W. (Michael William), 1808-1870, Longfellow, Henry Wadsworth, 1807-1882. Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:1140308>.
Note: These citations are programmatically generated and may be incomplete.