APA (7th ed.) Citation

United States. Army. (1919). Enlistment of men for certain special services. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Enlistment of Men for Certain Special Services. Washington: [publisher not identified], 1919.

MLA (9th ed.) Citation

United States. Army. Enlistment of Men for Certain Special Services. [publisher not identified], 1919.

Warning: These citations may not always be 100% accurate.