APA (7th ed.) Citation

United States. Army. (2015). Infantry: Drill regulations United States Army.

Chicago Style (17th ed.) Citation

United States. Army. Infantry: Drill Regulations United States Army. 2015.

MLA (9th ed.) Citation

United States. Army. Infantry: Drill Regulations United States Army. 2015.

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