United States. Army. Ordnance Department. (1878). Diagram showing penetrating power of projectiles fired from English guns against iron-clad ships of war; and diagram showing penetrative energy, in foot-tons per inch of shots circumference, of foreign ordnance, at ranges from 70 yards from muzzle of gun to 2000 yards. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Diagram Showing Penetrating Power of Projectiles Fired from English Guns Against Iron-clad Ships of War; and Diagram Showing Penetrative Energy, in Foot-tons Per Inch of Shots Circumference, of Foreign Ordnance, at Ranges from 70 Yards from Muzzle of Gun to 2000 Yards. [Washington]: [publisher not identified], 1878.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Diagram Showing Penetrating Power of Projectiles Fired from English Guns Against Iron-clad Ships of War; and Diagram Showing Penetrative Energy, in Foot-tons Per Inch of Shots Circumference, of Foreign Ordnance, at Ranges from 70 Yards from Muzzle of Gun to 2000 Yards. [publisher not identified], 1878.