At twilight gray she trips away

Chicago citation style
Cooper, George, 1840-1927, Pratt, Charles E., 1841-1902. At twilight gray she trips away. c1883. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:1144653. (Accessed July 23, 2018.)
APA citation style
Cooper, George, 1840-1927, Pratt, Charles E., 1841-1902, (c1883) At twilight gray she trips away. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:1144653
MLA citation style
Cooper, George, 1840-1927, Pratt, Charles E., 1841-1902. Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:1144653>.
Note: These citations are programmatically generated and may be incomplete.