Private Williams, Co. "A", and group, 83rd Regt., 23rd Inf., N.Y.

Chicago citation style
War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947). Private Williams, Co. "A", and group, 83rd Regt., 23rd Inf., N.Y.. 1860-01-01/1865-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/529607. (Accessed June 20, 2018.)
APA citation style
War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947), (1860-01-01/1865-12-31) Private Williams, Co. "A", and group, 83rd Regt., 23rd Inf., N.Y.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/529607
MLA citation style
War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/529607>.
Note: These citations are programmatically generated and may be incomplete.