United States. War Department. (1923). Rifle marksmanship; changes numbers 6. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. War Department. Rifle Marksmanship; Changes Numbers 6. [Washington]: [publisher not identified], 1923.
MLA (9th ed.) CitationUnited States. War Department. Rifle Marksmanship; Changes Numbers 6. [publisher not identified], 1923.
Warning: These citations may not always be 100% accurate.