A report on the defenses of Washington, to the chief of engineers, U.S. Army

Chicago citation style
Barnard, J. G. (John Gross), 1815-1882. A report on the defenses of Washington, to the chief of engineers, U.S. Army. 1871. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628250. (Accessed November 16, 2018.)
APA citation style
Barnard, J. G. (John Gross), 1815-1882, (1871) A report on the defenses of Washington, to the chief of engineers, U.S. Army. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628250
MLA citation style
Barnard, J. G. (John Gross), 1815-1882. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001628250>.
Note: These citations are programmatically generated and may be incomplete.