Gen. O.B. Wilcox and staff. Col. McElroy. Capt. Christian Roth.

Chicago citation style
War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947). Gen. O.B. Wilcox and staff. Col. McElroy. Capt. Christian Roth.. 1860-01-01/1865-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/524429. (Accessed December 14, 2018.)
APA citation style
War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947), (1860-01-01/1865-12-31) Gen. O.B. Wilcox and staff. Col. McElroy. Capt. Christian Roth.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/524429
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/524429>.
Note: These citations are programmatically generated and may be incomplete.