APA (7th ed.) Citation

United States. Army. Corps of Engineers & Foster, J. G. (1872). Design for improved submarine tunnel, comprising brick arch within cast or wrought iron skin, laid in trench dredged for that purpose [first proposed in 1868 for crossing Boston Harbor]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers and J. G. Foster. Design for Improved Submarine Tunnel, Comprising Brick Arch Within Cast or Wrought Iron Skin, Laid in Trench Dredged for That Purpose [first Proposed in 1868 for Crossing Boston Harbor]. Washington, DC: [publisher not identified], 1872.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers and J. G. Foster. Design for Improved Submarine Tunnel, Comprising Brick Arch Within Cast or Wrought Iron Skin, Laid in Trench Dredged for That Purpose [first Proposed in 1868 for Crossing Boston Harbor]. [publisher not identified], 1872.