APA (7th ed.) Citation

United States. War Department. (1919). Infantry drill regulations; change 24. GPO.

Chicago Style (17th ed.) Citation

United States. War Department. Infantry Drill Regulations; Change 24. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. War Department. Infantry Drill Regulations; Change 24. GPO, 1919.

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