APA (7th ed.) Citation

United States. Adjutant-General's Office. (1920). Automatic rifle marksmanship. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Adjutant-General's Office. Automatic Rifle Marksmanship. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Adjutant-General's Office. Automatic Rifle Marksmanship. U.S. GPO, 1920.

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