The Signal Corps and Air Service.
A study of their expansion in the United States, 1917-1918 ...
Prepared in the Historical Section, the Army War College, July, 1922.

APA Citation

Army War College (U.S.). (1922). The Signal Corps and Air Service: A study of their expansion in the United States, 1917-1918 ... Washington: Govt. Print. Off..

MLA Citation

Army War College (U.S.). The Signal Corps And Air Service: A Study of Their Expansion In the United States, 1917-1918 ... Washington: Govt. Print. Off., 1922.

Warning: These citations may not always be complete (especially for serials).