APA (7th ed.) Citation

United States. Army. Signal Corps. (1921). Eligibility for enlistment in Signal Section, Enlisted Reserve Corps. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Eligibility for Enlistment in Signal Section, Enlisted Reserve Corps. Washington: [publisher not identified], 1921.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Eligibility for Enlistment in Signal Section, Enlisted Reserve Corps. [publisher not identified], 1921.

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