APA (7th ed.) Citation

United States. War Department. Board of Ordnance and Fortification & ProQuest (Firm). (1910). Twentieth report of the Board of Ordnance and Fortification to the Secretary of War 1910. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Board of Ordnance and Fortification and ProQuest (Firm). Twentieth Report of the Board of Ordnance and Fortification to the Secretary of War 1910. Washington: [publisher not identified], 1910.

MLA (9th ed.) Citation

United States. War Department. Board of Ordnance and Fortification and ProQuest (Firm). Twentieth Report of the Board of Ordnance and Fortification to the Secretary of War 1910. [publisher not identified], 1910.

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