APA (7th ed.) Citation

United States. Department of State. (1918). Merchant vessels sunk or damaged by mine or submarine. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of State. Merchant Vessels Sunk or Damaged by Mine or Submarine. Washington: U.S. GPO, 1918.

MLA (8th ed.) Citation

United States. Department of State. Merchant Vessels Sunk or Damaged by Mine or Submarine. U.S. GPO, 1918.